/*
 * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __UNIT_H
#define __UNIT_H

#include "Common.h"
#include "Object.h"
#include "UnitMovement.h"
#include "ObjectMovement.h"
#include "Opcodes.h"
#include "SpellAuraDefines.h"
#include "UpdateFields.h"
#include "SharedDefines.h"
#include "ThreatManager.h"
#include "HostileRefManager.h"
#include "FollowerReference.h"
#include "FollowerRefManager.h"
#include "EventProcessor.h"
#include "MotionMaster.h"
#include "DBCStructure.h"
#include "SpellInfo.h"
#include "Path.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "../SharedPtrs/SharedPtrs.h"
#include "Timer.h"
#include <list>
#include "../DynamicObject/DynamicObject.h"
#include "../AreaTrigger/AreaTrigger.h"
#include "MovementStructures.h"

#define WORLD_TRIGGER   12999

enum SpellInterruptFlags
{
    SPELL_INTERRUPT_FLAG_MOVEMENT     = 0x01, // why need this for instant?
    SPELL_INTERRUPT_FLAG_PUSH_BACK    = 0x02, // push back
    SPELL_INTERRUPT_FLAG_UNK3         = 0x04, // any info?
    SPELL_INTERRUPT_FLAG_INTERRUPT    = 0x08, // interrupt
    SPELL_INTERRUPT_FLAG_ABORT_ON_DMG = 0x10,               // _complete_ interrupt on direct damage
    //SPELL_INTERRUPT_UNK             = 0x20                // unk, 564 of 727 spells having this spell start with "Glyph"
};

// See SpellAuraInterruptFlags for other values definitions
enum SpellChannelInterruptFlags
{
    CHANNEL_INTERRUPT_FLAG_INTERRUPT    = 0x08,  // interrupt
    CHANNEL_FLAG_DELAY                  = 0x4000
};

enum SpellAuraInterruptFlags
{
    AURA_INTERRUPT_FLAG_HITBYSPELL          = 0x00000001,   // 0    removed when getting hit by a negative spell?
    AURA_INTERRUPT_FLAG_TAKE_DAMAGE         = 0x00000002,   // 1    removed by any damage
    AURA_INTERRUPT_FLAG_CAST                = 0x00000004,   // 2    cast any spells
    AURA_INTERRUPT_FLAG_MOVE                = 0x00000008,   // 3    removed by any movement
    AURA_INTERRUPT_FLAG_TURNING             = 0x00000010,   // 4    removed by any turning
    AURA_INTERRUPT_FLAG_JUMP                = 0x00000020,   // 5    removed by entering combat
    AURA_INTERRUPT_FLAG_NOT_MOUNTED         = 0x00000040,   // 6    removed by dismounting
    AURA_INTERRUPT_FLAG_NOT_ABOVEWATER      = 0x00000080,   // 7    removed by entering water
    AURA_INTERRUPT_FLAG_NOT_UNDERWATER      = 0x00000100,   // 8    removed by leaving water
    AURA_INTERRUPT_FLAG_NOT_SHEATHED        = 0x00000200,   // 9    removed by unsheathing
    AURA_INTERRUPT_FLAG_TALK                = 0x00000400,   // 10   talk to npc / loot? action on creature
    AURA_INTERRUPT_FLAG_USE                 = 0x00000800,   // 11   mine/use/open action on gameobject
    AURA_INTERRUPT_FLAG_MELEE_ATTACK        = 0x00001000,   // 12   removed by attacking
    AURA_INTERRUPT_FLAG_SPELL_ATTACK        = 0x00002000,   // 13   ???
    AURA_INTERRUPT_FLAG_UNK14               = 0x00004000,   // 14
    AURA_INTERRUPT_FLAG_TRANSFORM           = 0x00008000,   // 15   removed by transform?
    AURA_INTERRUPT_FLAG_UNK16               = 0x00010000,   // 16
    AURA_INTERRUPT_FLAG_MOUNT               = 0x00020000,   // 17   misdirect, aspect, swim speed
    AURA_INTERRUPT_FLAG_NOT_SEATED          = 0x00040000,   // 18   removed by standing up (used by food and drink mostly and sleep/Fake Death like)
    AURA_INTERRUPT_FLAG_CHANGE_MAP          = 0x00080000,   // 19   leaving map/getting teleported
    AURA_INTERRUPT_FLAG_IMMUNE_OR_LOST_SELECTION    = 0x00100000,   // 20   removed by auras that make you invulnerable, or make other to lose selection on you
    AURA_INTERRUPT_FLAG_UNK21               = 0x00200000,   // 21
    AURA_INTERRUPT_FLAG_TELEPORTED          = 0x00400000,   // 22
    AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT    = 0x00800000,   // 23   removed by entering pvp combat
    AURA_INTERRUPT_FLAG_DIRECT_DAMAGE       = 0x01000000,   // 24   removed by any direct damage
    AURA_INTERRUPT_FLAG_LANDING             = 0x02000000,   // 25   removed by hitting the ground

    AURA_INTERRUPT_FLAG_NOT_VICTIM = (AURA_INTERRUPT_FLAG_HITBYSPELL | AURA_INTERRUPT_FLAG_TAKE_DAMAGE | AURA_INTERRUPT_FLAG_DIRECT_DAMAGE),
};

enum SpellModOp
{
    SPELLMOD_DAMAGE                 = 0,
    SPELLMOD_DURATION               = 1,
    SPELLMOD_THREAT                 = 2,
    SPELLMOD_EFFECT1                = 3,
    SPELLMOD_CHARGES                = 4,
    SPELLMOD_RANGE                  = 5,
    SPELLMOD_RADIUS                 = 6,
    SPELLMOD_CRITICAL_CHANCE        = 7,
    SPELLMOD_ALL_EFFECTS            = 8,
    SPELLMOD_NOT_LOSE_CASTING_TIME  = 9,
    SPELLMOD_CASTING_TIME           = 10,
    SPELLMOD_COOLDOWN               = 11,
    SPELLMOD_EFFECT2                = 12,
    SPELLMOD_IGNORE_ARMOR           = 13,
    SPELLMOD_COST                   = 14,
    SPELLMOD_CRIT_DAMAGE_BONUS      = 15,
    SPELLMOD_RESIST_MISS_CHANCE     = 16,
    SPELLMOD_JUMP_TARGETS           = 17,
    SPELLMOD_CHANCE_OF_SUCCESS      = 18,
    SPELLMOD_ACTIVATION_TIME        = 19,
    SPELLMOD_DAMAGE_MULTIPLIER      = 20,
    SPELLMOD_GLOBAL_COOLDOWN        = 21,
    SPELLMOD_DOT                    = 22,
    SPELLMOD_EFFECT3                = 23,
    SPELLMOD_BONUS_MULTIPLIER       = 24,
    // spellmod 25
    SPELLMOD_PROC_PER_MINUTE        = 26,
    SPELLMOD_VALUE_MULTIPLIER       = 27,
    SPELLMOD_RESIST_DISPEL_CHANCE   = 28,
    SPELLMOD_CRIT_DAMAGE_BONUS_2    = 29, //one not used spell
    SPELLMOD_SPELL_COST_REFUND_ON_FAIL = 30,
    SPELLMOD_EFFECT5                = 33, 
};

#define MAX_SPELLMOD 36

enum SpellValueMod
{
    SPELLVALUE_BASE_POINT0,
    SPELLVALUE_BASE_POINT1,
    SPELLVALUE_BASE_POINT2,
    SPELLVALUE_BASE_POINT3,
    SPELLVALUE_BASE_POINT4,
    SPELLVALUE_BASE_POINT5,
    SPELLVALUE_RADIUS_MOD,
    SPELLVALUE_MAX_TARGETS,
    SPELLVALUE_AURA_STACK,
};

typedef std::pair<SpellValueMod, int32>     CustomSpellValueMod;
class CustomSpellValues : public std::vector<CustomSpellValueMod>
{
    public:
        void AddSpellMod(SpellValueMod mod, int32 value)
        {
            push_back(std::make_pair(mod, value));
        }
};

enum SpellFacingFlags
{
    SPELL_FACING_FLAG_INFRONT = 0x0001
};

#define BASE_MINDAMAGE 1.0f
#define BASE_MAXDAMAGE 2.0f
#define BASE_ATTACK_TIME 2000

// byte value (UNIT_FIELD_BYTES_1, 0)
enum UnitStandStateType
{
    UNIT_STAND_STATE_STAND             = 0,
    UNIT_STAND_STATE_SIT               = 1,
    UNIT_STAND_STATE_SIT_CHAIR         = 2,
    UNIT_STAND_STATE_SLEEP             = 3,
    UNIT_STAND_STATE_SIT_LOW_CHAIR     = 4,
    UNIT_STAND_STATE_SIT_MEDIUM_CHAIR  = 5,
    UNIT_STAND_STATE_SIT_HIGH_CHAIR    = 6,
    UNIT_STAND_STATE_DEAD              = 7,
    UNIT_STAND_STATE_KNEEL             = 8,
    UNIT_STAND_STATE_SUBMERGED         = 9
};

// byte flag value (UNIT_FIELD_BYTES_1, 2)
enum UnitStandFlags
{
    UNIT_STAND_FLAGS_UNK1         = 0x01,
    UNIT_STAND_FLAGS_CREEP        = 0x02,
    UNIT_STAND_FLAGS_UNTRACKABLE  = 0x04,
    UNIT_STAND_FLAGS_UNK4         = 0x08,
    UNIT_STAND_FLAGS_UNK5         = 0x10,
    UNIT_STAND_FLAGS_ALL          = 0xFF
};

// byte flags value (UNIT_FIELD_BYTES_1, 3)
enum UnitBytes1_Flags
{
    UNIT_BYTE1_FLAG_ALWAYS_STAND    = 0x01,
    UNIT_BYTE1_FLAG_HOVER           = 0x02,
    UNIT_BYTE1_FLAG_UNK_3           = 0x04,
    UNIT_BYTE1_FLAG_ALL             = 0xFF
};

// high byte (3 from 0..3) of UNIT_FIELD_BYTES_2
enum ShapeshiftForm
{
    FORM_NONE               = 0x00,
    FORM_CAT                = 0x01,
    FORM_TREE               = 0x02,
    FORM_TRAVEL             = 0x03,
    FORM_AQUA               = 0x04,
    FORM_BEAR               = 0x05,
    FORM_AMBIENT            = 0x06,
    FORM_GHOUL              = 0x07,
    FORM_DIREBEAR           = 0x08, // Removed in 4.0.1
    FORM_STEVES_GHOUL       = 0x09,
    FORM_THARONJA_SKELETON  = 0x0A,
    FORM_TEST_OF_STRENGTH   = 0x0B,
    FORM_BLB_PLAYER         = 0x0C,
    FORM_SHADOW_DANCE       = 0x0D,
    FORM_CREATUREBEAR       = 0x0E,
    FORM_CREATURECAT        = 0x0F,
    FORM_GHOSTWOLF          = 0x10,
    FORM_BATTLESTANCE       = 0x11,
    FORM_DEFENSIVESTANCE    = 0x12,
    FORM_BERSERKERSTANCE    = 0x13,
    FORM_WISE_SERPENT       = 0x14,
    FORM_ZOMBIE             = 0x15,
    FORM_METAMORPHOSIS      = 0x16,
    FORM_STURDY_OX          = 0x17,
    FORM_FIERCE_TIGER       = 0x18,
    FORM_UNDEAD             = 0x19,
    FORM_MASTER_ANGLER      = 0x1A,
    FORM_FLIGHT_EPIC        = 0x1B,
    FORM_SHADOW             = 0x1C,
    FORM_FLIGHT             = 0x1D,
    FORM_STEALTH            = 0x1E,
    FORM_MOONKIN            = 0x1F,
    FORM_SPIRITOFREDEMPTION = 0x20
};

// low byte (0 from 0..3) of UNIT_FIELD_BYTES_2
enum SheathState
{
    SHEATH_STATE_UNARMED  = 0,                              // non prepared weapon
    SHEATH_STATE_MELEE    = 1,                              // prepared melee weapon
    SHEATH_STATE_RANGED   = 2                               // prepared ranged weapon
};

#define MAX_SHEATH_STATE    3

// byte (1 from 0..3) of UNIT_FIELD_BYTES_2
enum UnitPVPStateFlags
{
    UNIT_BYTE2_FLAG_PVP         = 0x01,
    UNIT_BYTE2_FLAG_UNK1        = 0x02,
    UNIT_BYTE2_FLAG_FFA_PVP     = 0x04,
    UNIT_BYTE2_FLAG_SANCTUARY   = 0x08,
    UNIT_BYTE2_FLAG_UNK4        = 0x10,
    UNIT_BYTE2_FLAG_UNK5        = 0x20,
    UNIT_BYTE2_FLAG_UNK6        = 0x40,
    UNIT_BYTE2_FLAG_UNK7        = 0x80
};

// byte (2 from 0..3) of UNIT_FIELD_BYTES_2
enum UnitRename
{
    UNIT_CAN_BE_RENAMED     = 0x01,
    UNIT_CAN_BE_ABANDONED   = 0x02,
};

#define CREATURE_MAX_SPELLS     8
#define MAX_SPELL_CHARM         4
#define MAX_SPELL_VEHICLE       6
#define MAX_SPELL_POSSESS       8
#define MAX_SPELL_CONTROL_BAR   10
#define MAX_AGGRO_RESET_TIME    10 // in seconds
#define MAX_AGGRO_RADIUS 45.0f  // yards

enum Swing
{
    NOSWING                    = 0,
    SINGLEHANDEDSWING          = 1,
    TWOHANDEDSWING             = 2
};

enum VictimState
{
    VICTIMSTATE_INTACT         = 0, // set when attacker misses
    VICTIMSTATE_HIT            = 1, // victim got clear/blocked hit
    VICTIMSTATE_DODGE          = 2,
    VICTIMSTATE_PARRY          = 3,
    VICTIMSTATE_INTERRUPT      = 4,
    VICTIMSTATE_BLOCKS         = 5, // unused? not set when blocked, even on full block
    VICTIMSTATE_EVADES         = 6,
    VICTIMSTATE_IS_IMMUNE      = 7,
    VICTIMSTATE_DEFLECTS       = 8
};

enum HitInfo
{
    HITINFO_NORMALSWING         = 0x00000000,
    HITINFO_UNK1                = 0x00000001,               // req correct packet structure
    HITINFO_AFFECTS_VICTIM      = 0x00000002,
    HITINFO_OFFHAND             = 0x00000004,
    HITINFO_UNK2                = 0x00000008,
    HITINFO_MISS                = 0x00000010,
    HITINFO_FULL_ABSORB         = 0x00000020,
    HITINFO_PARTIAL_ABSORB      = 0x00000040,
    HITINFO_FULL_RESIST         = 0x00000080,
    HITINFO_PARTIAL_RESIST      = 0x00000100,
    HITINFO_CRITICALHIT         = 0x00000200,               // critical hit
    // 0x00000400
    // 0x00000800
    HITINFO_UNK12               = 0x00001000,
    HITINFO_BLOCK               = 0x00002000,               // blocked damage
    // 0x00004000                                           // Hides worldtext for 0 damage
    // 0x00008000                                           // Related to blood visual
    HITINFO_GLANCING            = 0x00010000,
    HITINFO_CRUSHING            = 0x00020000,
    HITINFO_NO_ANIMATION        = 0x00040000,
    // 0x00080000
    // 0x00100000
    HITINFO_SWINGNOHITSOUND     = 0x00200000,               // unused?
    // 0x00400000
    HITINFO_RAGE_GAIN           = 0x00800000,
    HITINFO_FAKE_DAMAGE         = 0x01000000, // enables damage animation even if no damage done, set only if no damage
    HITINFO_UNK25               = 0x02000000,
    HITINFO_UNK26               = 0x04000000,
};

//i would like to remove this: (it is defined in item.h
enum InventorySlot
{
    NULL_BAG                   = 0,
    NULL_SLOT                  = 255
};

struct FactionTemplateEntry;
struct SpellValue;

class AuraApplication;
class Aura;
class UnitAura;
class AuraEffect;
class Creature;
class Spell;
class SpellInfo;
class DynamicObject;
class AreaTrigger;
class GameObject;
class Item;
class Pet;
class PetAura;
class Minion;
class Guardian;
class UnitAI;
class Totem;
class Transport;
class Vehicle;
class TransportBase;

typedef std::list<Unit*> UnitList;
typedef std::list< std::pair<AuraPtr, uint8> > DispelChargesList;

struct SpellImmune
{
    uint32 type;
    uint32 spellId;
};

typedef std::list<SpellImmune> SpellImmuneList;

enum UnitModifierType
{
    BASE_VALUE = 0,
    BASE_PCT = 1,
    TOTAL_VALUE = 2,
    TOTAL_PCT = 3,
    MODIFIER_TYPE_END = 4
};

enum WeaponDamageRange
{
    MINDAMAGE,
    MAXDAMAGE
};

enum DamageTypeToSchool
{
    RESISTANCE,
    DAMAGE_DEALT,
    DAMAGE_TAKEN
};

enum AuraRemoveMode
{
    AURA_REMOVE_NONE = 0,
    AURA_REMOVE_BY_DEFAULT = 1,       // scripted remove, remove by stack with aura with different ids and sc aura remove
    AURA_REMOVE_BY_CANCEL,
    AURA_REMOVE_BY_ENEMY_SPELL,       // dispel and absorb aura destroy
    AURA_REMOVE_BY_EXPIRE,            // aura duration has ended
    AURA_REMOVE_BY_DEATH
};

enum TriggerCastFlags
{
    TRIGGERED_NONE                                  = 0x00000000,   //! Not triggered
    TRIGGERED_IGNORE_GCD                            = 0x00000001,   //! Will ignore GCD
    TRIGGERED_IGNORE_SPELL_AND_CATEGORY_CD          = 0x00000002,   //! Will ignore Spell and Category cooldowns
    TRIGGERED_IGNORE_POWER_AND_REAGENT_COST         = 0x00000004,   //! Will ignore power and reagent cost
    TRIGGERED_IGNORE_CAST_ITEM                      = 0x00000008,   //! Will not take away cast item or update related achievement criteria
    TRIGGERED_IGNORE_AURA_SCALING                   = 0x00000010,   //! Will ignore aura scaling
    TRIGGERED_IGNORE_CAST_IN_PROGRESS               = 0x00000020,   //! Will not check if a current cast is in progress
    TRIGGERED_IGNORE_COMBO_POINTS                   = 0x00000040,   //! Will ignore combo point requirement
    TRIGGERED_CAST_DIRECTLY                         = 0x00000080,   //! In Spell::prepare, will be cast directly without setting containers for executed spell
    TRIGGERED_IGNORE_AURA_INTERRUPT_FLAGS           = 0x00000100,   //! Will ignore interruptible aura's at cast
    TRIGGERED_IGNORE_SET_FACING                     = 0x00000200,   //! Will not adjust facing to target (if any)
    TRIGGERED_IGNORE_SHAPESHIFT                     = 0x00000400,   //! Will ignore shapeshift checks
    TRIGGERED_IGNORE_CASTER_AURASTATE               = 0x00000800,   //! Will ignore caster aura states including combat requirements and death state
    TRIGGERED_IGNORE_CASTER_MOUNTED_OR_ON_VEHICLE   = 0x00002000,   //! Will ignore mounted/on vehicle restrictions
    TRIGGERED_IGNORE_CASTER_AURAS                   = 0x00010000,   //! Will ignore caster aura restrictions or requirements
    TRIGGERED_DISALLOW_PROC_EVENTS                  = 0x00020000,   //! Disallows proc events from triggered spell (default)
    TRIGGERED_DONT_REPORT_CAST_ERROR                = 0x00040000,   //! Will return SPELL_FAILED_DONT_REPORT in CheckCast functions
    TRIGGERED_FULL_MASK                             = 0xFFFFFFFF,
};

enum UnitMods
{
    UNIT_MOD_STAT_STRENGTH,                                 // UNIT_MOD_STAT_STRENGTH..UNIT_MOD_STAT_SPIRIT must be in existed order, it's accessed by index values of Stats enum.
    UNIT_MOD_STAT_AGILITY,
    UNIT_MOD_STAT_STAMINA,
    UNIT_MOD_STAT_INTELLECT,
    UNIT_MOD_STAT_SPIRIT,
    UNIT_MOD_HEALTH,
    UNIT_MOD_MANA,                                          // UNIT_MOD_MANA..UNIT_MOD_RUNIC_POWER must be in existed order, it's accessed by index values of Powers enum.
    UNIT_MOD_RAGE,
    UNIT_MOD_FOCUS,
    UNIT_MOD_ENERGY,
    UNIT_MOD_LIGHT_FORCE,
    UNIT_MOD_RUNES,
    UNIT_MOD_RUNIC_POWER,
    UNIT_MOD_SOUL_SHARDS,
    UNIT_MOD_ECLIPSE,
    UNIT_MOD_HOLY_POWER,
    UNIT_MOD_ALTERNATIVE,
    UNIT_MOD_DARK_FORCE,
    UNIT_MOD_CHI,
    UNIT_MOD_SHADOW_ORBS,
    UNIT_MOD_BURNING_EMBERS,
    UNIT_MOD_DEMONIC_FURY,
    UNIT_MOD_ARCANE_CHARGES,
    UNIT_MOD_ARMOR,                                         // UNIT_MOD_ARMOR..UNIT_MOD_RESISTANCE_ARCANE must be in existed order, it's accessed by index values of SpellSchools enum.
    UNIT_MOD_RESISTANCE_HOLY,
    UNIT_MOD_RESISTANCE_FIRE,
    UNIT_MOD_RESISTANCE_NATURE,
    UNIT_MOD_RESISTANCE_FROST,
    UNIT_MOD_RESISTANCE_SHADOW,
    UNIT_MOD_RESISTANCE_ARCANE,
    UNIT_MOD_ATTACK_POWER,
    UNIT_MOD_ATTACK_POWER_RANGED,
    UNIT_MOD_DAMAGE_MAINHAND,
    UNIT_MOD_DAMAGE_OFFHAND,
    UNIT_MOD_DAMAGE_RANGED,
    UNIT_MOD_END,
    // synonyms
    UNIT_MOD_STAT_START = UNIT_MOD_STAT_STRENGTH,
    UNIT_MOD_STAT_END = UNIT_MOD_STAT_SPIRIT + 1,
    UNIT_MOD_RESISTANCE_START = UNIT_MOD_ARMOR,
    UNIT_MOD_RESISTANCE_END = UNIT_MOD_RESISTANCE_ARCANE + 1,
    UNIT_MOD_POWER_START = UNIT_MOD_MANA,
    UNIT_MOD_POWER_END = UNIT_MOD_ARCANE_CHARGES + 1
};

enum BaseModGroup
{
    CRIT_PERCENTAGE,
    RANGED_CRIT_PERCENTAGE,
    OFFHAND_CRIT_PERCENTAGE,
    SHIELD_BLOCK_VALUE,
    BASEMOD_END
};

enum BaseModType
{
    FLAT_MOD,
    PCT_MOD
};

#define MOD_END (PCT_MOD+1)

enum DeathState
{
    ALIVE       = 0,
    JUST_DIED   = 1,
    CORPSE      = 2,
    DEAD        = 3,
    JUST_RESPAWNED = 4,
};

enum UnitState
{
    UNIT_STATE_DIED            = 0x00000001,                     // player has fake death aura
    UNIT_STATE_MELEE_ATTACKING = 0x00000002,                     // player is melee attacking someone
    //UNIT_STATE_MELEE_ATTACK_BY = 0x00000004,                     // player is melee attack by someone
    UNIT_STATE_STUNNED         = 0x00000008,
    UNIT_STATE_ROAMING         = 0x00000010,
    UNIT_STATE_CHASE           = 0x00000020,
    //UNIT_STATE_SEARCHING       = 0x00000040,
    UNIT_STATE_FLEEING         = 0x00000080,
    UNIT_STATE_IN_FLIGHT       = 0x00000100,                     // player is in flight mode
    UNIT_STATE_FOLLOW          = 0x00000200,
    UNIT_STATE_ROOT            = 0x00000400,
    UNIT_STATE_CONFUSED        = 0x00000800,
    UNIT_STATE_DISTRACTED      = 0x00001000,
    UNIT_STATE_ISOLATED        = 0x00002000,                     // area auras do not affect other players
    UNIT_STATE_ATTACK_PLAYER   = 0x00004000,
    UNIT_STATE_CASTING         = 0x00008000,
    UNIT_STATE_POSSESSED       = 0x00010000,
    UNIT_STATE_CHARGING        = 0x00020000,
    UNIT_STATE_JUMPING         = 0x00040000,
    UNIT_STATE_ONVEHICLE       = 0x00080000,
    UNIT_STATE_MOVE            = 0x00100000,
    UNIT_STATE_ROTATING        = 0x00200000,
    UNIT_STATE_EVADE           = 0x00400000,
    UNIT_STATE_ROAMING_MOVE    = 0x00800000,
    UNIT_STATE_CONFUSED_MOVE   = 0x01000000,
    UNIT_STATE_FLEEING_MOVE    = 0x02000000,
    UNIT_STATE_CHASE_MOVE      = 0x04000000,
    UNIT_STATE_FOLLOW_MOVE     = 0x08000000,
    UNIT_STATE_IGNORE_PATHFINDING = 0x10000000,                 // do not use pathfinding in any MovementGenerator
    UNIT_STATE_UNATTACKABLE    = (UNIT_STATE_IN_FLIGHT | UNIT_STATE_ONVEHICLE),
    // for real move using movegen check and stop (except unstoppable flight)
    UNIT_STATE_MOVING          = UNIT_STATE_ROAMING_MOVE | UNIT_STATE_CONFUSED_MOVE | UNIT_STATE_FLEEING_MOVE | UNIT_STATE_CHASE_MOVE | UNIT_STATE_FOLLOW_MOVE ,
    UNIT_STATE_CONTROLLED      = (UNIT_STATE_CONFUSED | UNIT_STATE_STUNNED | UNIT_STATE_FLEEING),
    UNIT_STATE_LOST_CONTROL    = (UNIT_STATE_CONTROLLED | UNIT_STATE_JUMPING | UNIT_STATE_CHARGING),
    UNIT_STATE_SIGHTLESS       = (UNIT_STATE_LOST_CONTROL | UNIT_STATE_EVADE),
    UNIT_STATE_CANNOT_AUTOATTACK     = (UNIT_STATE_LOST_CONTROL | UNIT_STATE_CASTING),
    UNIT_STATE_CANNOT_TURN     = (UNIT_STATE_LOST_CONTROL | UNIT_STATE_ROTATING),
    // stay by different reasons
    UNIT_STATE_NOT_MOVE        = UNIT_STATE_ROOT | UNIT_STATE_STUNNED | UNIT_STATE_DIED | UNIT_STATE_DISTRACTED,
    UNIT_STATE_ALL_STATE       = 0xffffffff                      //(UNIT_STATE_STOPPED | UNIT_STATE_MOVING | UNIT_STATE_IN_COMBAT | UNIT_STATE_IN_FLIGHT)
};

enum WeaponAttackType
{
    BASE_ATTACK   = 0,
    OFF_ATTACK    = 1,
    RANGED_ATTACK = 2,
    MAX_ATTACK
};

// Last check : 5.0.5
enum CombatRating
{
    CR_WEAPON_SKILL                     = 0,
    CR_DEFENSE_SKILL                    = 1,    // Removed in 4.0.1
    CR_DODGE                            = 2,
    CR_PARRY                            = 3,
    CR_BLOCK                            = 4,
    CR_HIT_MELEE                        = 5,
    CR_HIT_RANGED                       = 6,
    CR_HIT_SPELL                        = 7,
    CR_CRIT_MELEE                       = 8,
    CR_CRIT_RANGED                      = 9,
    CR_CRIT_SPELL                       = 10,
    CR_HIT_TAKEN_MELEE                  = 11,   // Deprecated since Cataclysm
    CR_HIT_TAKEN_RANGED                 = 12,   // Deprecated since Cataclysm
    CR_HIT_TAKEN_SPELL                  = 13,   // Deprecated since Cataclysm
    CR_RESILIENCE_CRIT_TAKEN            = 14,
    CR_RESILIENCE_PLAYER_DAMAGE_TAKEN   = 15,
    CR_CRIT_TAKEN_SPELL                 = 16,   // Deprecated since Cataclysm
    CR_HASTE_MELEE                      = 17,
    CR_HASTE_RANGED                     = 18,
    CR_HASTE_SPELL                      = 19,
    CR_WEAPON_SKILL_MAINHAND            = 20,
    CR_WEAPON_SKILL_OFFHAND             = 21,
    CR_WEAPON_SKILL_RANGED              = 22,
    CR_EXPERTISE                        = 23,
    CM_ARMOR_PENETRATION                = 24,
    CR_MASTERY                          = 25,
    CR_PVP_POWER                        = 26,
};

#define MAX_COMBAT_RATING         27

enum DamageEffectType
{
    DIRECT_DAMAGE           = 0,                            // used for normal weapon damage (not for class abilities or spells)
    SPELL_DIRECT_DAMAGE     = 1,                            // spell/class abilities damage
    DOT                     = 2,
    HEAL                    = 3,
    NODAMAGE                = 4,                            // used also in case when damage applied to health but not applied to spell channelInterruptFlags/etc
    SELF_DAMAGE             = 5
};

// Value masks for UNIT_FIELD_FLAGS
enum UnitFlags
{
    UNIT_FLAG_SERVER_CONTROLLED     = 0x00000001,           // set only when unit movement is controlled by server - by SPLINE/MONSTER_MOVE packets, together with UNIT_FLAG_STUNNED; only set to units controlled by client; client function CGUnit_C::IsClientControlled returns false when set for owner
    UNIT_FLAG_NON_ATTACKABLE        = 0x00000002,           // not attackable
    UNIT_FLAG_DISABLE_MOVE          = 0x00000004,
    UNIT_FLAG_PVP_ATTACKABLE        = 0x00000008,           // allow apply pvp rules to attackable state in addition to faction dependent state
    UNIT_FLAG_RENAME                = 0x00000010,
    UNIT_FLAG_PREPARATION           = 0x00000020,           // don't take reagents for spells with SPELL_ATTR5_NO_REAGENT_WHILE_PREP
    UNIT_FLAG_UNK_6                 = 0x00000040,
    UNIT_FLAG_NOT_ATTACKABLE_1      = 0x00000080,           // ?? (UNIT_FLAG_PVP_ATTACKABLE | UNIT_FLAG_NOT_ATTACKABLE_1) is NON_PVP_ATTACKABLE
    UNIT_FLAG_IMMUNE_TO_PC          = 0x00000100,           // disables combat/assistance with PlayerCharacters (PC) - see Unit::_IsValidAttackTarget, Unit::_IsValidAssistTarget
    UNIT_FLAG_IMMUNE_TO_NPC         = 0x00000200,           // disables combat/assistance with NonPlayerCharacters (NPC) - see Unit::_IsValidAttackTarget, Unit::_IsValidAssistTarget
    UNIT_FLAG_LOOTING               = 0x00000400,           // loot animation
    UNIT_FLAG_PET_IN_COMBAT         = 0x00000800,           // in combat?, 2.0.8
    UNIT_FLAG_PVP                   = 0x00001000,           // changed in 3.0.3
    UNIT_FLAG_SILENCED              = 0x00002000,           // silenced, 2.1.1
    UNIT_FLAG_UNK_14                = 0x00004000,           // 2.0.8
    UNIT_FLAG_UNK_15                = 0x00008000,
    UNIT_FLAG_UNK_16                = 0x00010000,
    UNIT_FLAG_PACIFIED              = 0x00020000,           // 3.0.3 ok
    UNIT_FLAG_STUNNED               = 0x00040000,           // 3.0.3 ok
    UNIT_FLAG_IN_COMBAT             = 0x00080000,
    UNIT_FLAG_TAXI_FLIGHT           = 0x00100000,           // disable casting at client side spell not allowed by taxi flight (mounted?), probably used with 0x4 flag
    UNIT_FLAG_DISARMED              = 0x00200000,           // 3.0.3, disable melee spells casting..., "Required melee weapon" added to melee spells tooltip.
    UNIT_FLAG_CONFUSED              = 0x00400000,
    UNIT_FLAG_FLEEING               = 0x00800000,
    UNIT_FLAG_PLAYER_CONTROLLED     = 0x01000000,           // used in spell Eyes of the Beast for pet... let attack by controlled creature
    UNIT_FLAG_NOT_SELECTABLE        = 0x02000000,
    UNIT_FLAG_SKINNABLE             = 0x04000000,
    UNIT_FLAG_MOUNT                 = 0x08000000,
    UNIT_FLAG_UNK_28                = 0x10000000,
    UNIT_FLAG_UNK_29                = 0x20000000,           // used in Feing Death spell
    UNIT_FLAG_SHEATHE               = 0x40000000,
    UNIT_FLAG_UNK_31                = 0x80000000
};

// Value masks for UNIT_FIELD_FLAGS_2
enum UnitFlags2
{
    UNIT_FLAG2_FEIGN_DEATH                  = 0x00000001,
    UNIT_FLAG2_UNK1                         = 0x00000002,   // Hide unit model (show only player equip)
    UNIT_FLAG2_IGNORE_REPUTATION            = 0x00000004,
    UNIT_FLAG2_COMPREHEND_LANG              = 0x00000008,
    UNIT_FLAG2_MIRROR_IMAGE                 = 0x00000010,
    UNIT_FLAG2_INSTANTLY_APPEAR_MODEL       = 0x00000020,   // Unit model instantly appears when summoned (does not fade in)
    UNIT_FLAG2_FORCE_MOVEMENT               = 0x00000040,
    UNIT_FLAG2_DISARM_OFFHAND               = 0x00000080,
    UNIT_FLAG2_DISABLE_PRED_STATS           = 0x00000100,   // Player has disabled predicted stats (Used by raid frames)
    UNIT_FLAG2_DISARM_RANGED                = 0x00000400,   // this does not disable ranged weapon display (maybe additional flag needed?)
    UNIT_FLAG2_REGENERATE_POWER             = 0x00000800,
    UNIT_FLAG2_RESTRICT_PARTY_INTERACTION   = 0x00001000,   // Restrict interaction to party or raid
    UNIT_FLAG2_PREVENT_SPELL_CLICK          = 0x00002000,   // Prevent spellclick
    UNIT_FLAG2_ALLOW_ENEMY_INTERACT         = 0x00004000,
    UNIT_FLAG2_DISABLE_TURN                 = 0x00008000,
    UNIT_FLAG2_UNK2                         = 0x00010000,
    UNIT_FLAG2_PLAY_DEATH_ANIM              = 0x00020000,   // Plays special death animation upon death
    UNIT_FLAG2_ALLOW_CHEAT_SPELLS           = 0x00040000,   // allows casting spells with AttributesEx7 & SPELL_ATTR7_IS_CHEAT_SPELL
    UNIT_FLAG2_UNK3                         = 0x00080000,
    UNIT_FLAG2_UNK4                         = 0x00100000,
    UNIT_FLAG2_UNK5                         = 0x00200000,
    UNIT_FLAG2_UNK6                         = 0x00400000,
    UNIT_FLAG2_UNK7                         = 0x00800000,
    UNIT_FLAG2_UNK8                         = 0x01000000,
    UNIT_FLAG2_UNK9                         = 0x02000000,
    UNIT_FLAG2_CLIENT_CANNOT_TARGET         = 0x04000000,  // Player cannot target the unit, but can use gossips or spellclicks
};

/// Non Player Character flags
enum NPCFlags
{
    UNIT_NPC_FLAG_NONE                  = 0x00000000,
    UNIT_NPC_FLAG_GOSSIP                = 0x00000001,       // 100%
    UNIT_NPC_FLAG_QUESTGIVER            = 0x00000002,       // 100%
    UNIT_NPC_FLAG_UNK1                  = 0x00000004,
    UNIT_NPC_FLAG_UNK2                  = 0x00000008,
    UNIT_NPC_FLAG_TRAINER               = 0x00000010,       // 100%
    UNIT_NPC_FLAG_TRAINER_CLASS         = 0x00000020,       // 100%
    UNIT_NPC_FLAG_TRAINER_PROFESSION    = 0x00000040,       // 100%
    UNIT_NPC_FLAG_VENDOR                = 0x00000080,       // 100%
    UNIT_NPC_FLAG_VENDOR_AMMO           = 0x00000100,       // 100%, general goods vendor
    UNIT_NPC_FLAG_VENDOR_FOOD           = 0x00000200,       // 100%
    UNIT_NPC_FLAG_VENDOR_POISON         = 0x00000400,       // guessed
    UNIT_NPC_FLAG_VENDOR_REAGENT        = 0x00000800,       // 100%
    UNIT_NPC_FLAG_REPAIR                = 0x00001000,       // 100%
    UNIT_NPC_FLAG_FLIGHTMASTER          = 0x00002000,       // 100%
    UNIT_NPC_FLAG_SPIRITHEALER          = 0x00004000,       // guessed
    UNIT_NPC_FLAG_SPIRITGUIDE           = 0x00008000,       // guessed
    UNIT_NPC_FLAG_INNKEEPER             = 0x00010000,       // 100%
    UNIT_NPC_FLAG_BANKER                = 0x00020000,       // 100%
    UNIT_NPC_FLAG_PETITIONER            = 0x00040000,       // 100% 0xC0000 = guild petitions, 0x40000 = arena team petitions
    UNIT_NPC_FLAG_TABARDDESIGNER        = 0x00080000,       // 100%
    UNIT_NPC_FLAG_BATTLEMASTER          = 0x00100000,       // 100%
    UNIT_NPC_FLAG_AUCTIONEER            = 0x00200000,       // 100%
    UNIT_NPC_FLAG_STABLEMASTER          = 0x00400000,       // 100%
    UNIT_NPC_FLAG_GUILD_BANKER          = 0x00800000,       // cause client to send 997 opcode
    UNIT_NPC_FLAG_SPELLCLICK            = 0x01000000,       // cause client to send 1015 opcode (spell click)
    UNIT_NPC_FLAG_PLAYER_VEHICLE        = 0x02000000,       // players with mounts that have vehicle data should have it set
    UNIT_NPC_FLAG_REFORGER              = 0x08000000,       // reforging
    UNIT_NPC_FLAG_TRANSMOGRIFIER        = 0x10000000,       // transmogrification
    UNIT_NPC_FLAG_VAULTKEEPER           = 0x20000000,       // void storage
    UNIT_NPC_FLAG_PETBATTLE             = 0x40000000,       // pet battle
    UNIT_NPC_FLAG_BLACK_MARKET          = 0x80000000        // black market auction house
};

/// Non Player Character flags
enum NPCFlags2
{
    UNIT_NPC_FLAG2_NONE                 = 0x00000000,
    UNIT_NPC_FLAG2_ITEM_UPGRADE         = 0x00000001    // Item Upgrade
};

enum UnitTypeMask
{
    UNIT_MASK_NONE                  = 0x00000000,
    UNIT_MASK_SUMMON                = 0x00000001,
    UNIT_MASK_MINION                = 0x00000002,
    UNIT_MASK_GUARDIAN              = 0x00000004,
    UNIT_MASK_TOTEM                 = 0x00000008,
    UNIT_MASK_PET                   = 0x00000010,
    UNIT_MASK_VEHICLE               = 0x00000020,
    UNIT_MASK_PUPPET                = 0x00000040,
    UNIT_MASK_HUNTER_PET            = 0x00000080,
    UNIT_MASK_CONTROLABLE_GUARDIAN  = 0x00000100,
    UNIT_MASK_ACCESSORY             = 0x00000200,
};

enum DiminishingLevels
{
    DIMINISHING_LEVEL_1             = 0,
    DIMINISHING_LEVEL_2             = 1,
    DIMINISHING_LEVEL_3             = 2,
    DIMINISHING_LEVEL_IMMUNE        = 3,
    DIMINISHING_LEVEL_4             = 3,
    DIMINISHING_LEVEL_TAUNT_IMMUNE  = 4,
};

struct DiminishingReturn
{
    DiminishingReturn(DiminishingGroup group, uint32 t, uint32 count)
        : DRGroup(group), stack(0), hitTime(t), hitCount(count)
    {}

    DiminishingGroup        DRGroup:16;
    uint16                  stack:16;
    uint32                  hitTime;
    uint32                  hitCount;
};

enum MeleeHitOutcome
{
    MELEE_HIT_EVADE, MELEE_HIT_MISS, MELEE_HIT_DODGE, MELEE_HIT_BLOCK, MELEE_HIT_PARRY,
    MELEE_HIT_GLANCING, MELEE_HIT_CRIT, MELEE_HIT_CRUSHING, MELEE_HIT_NORMAL
};

enum HealDamageLogType
{
    DAMAGE_DONE_LOG = 0,
    DAMAGE_TAKE_LOG,
    HEAL_DONE_LOG,
    HEAL_TAKE_LOG,
};

struct HealDamageLog
{
    HealDamageLog()
        : m_value(0), m_time(0), m_type(DAMAGE_DONE_LOG)
    {
    }

    HealDamageLog(uint32 value, uint32 time, HealDamageLogType type)
        : m_value(value), m_time(time), m_type(type)
    {
    }

    uint32 m_value;
    uint32 m_time;
    HealDamageLogType m_type;
};

class DispelInfo
{
public:
    explicit DispelInfo(Unit* dispeller, uint32 dispellerSpellId, uint8 chargesRemoved) :
    _dispellerUnit(dispeller), _dispellerSpell(dispellerSpellId), _chargesRemoved(chargesRemoved) {}

    Unit* GetDispeller() const { return _dispellerUnit; }
    uint32 GetDispellerSpellId() const { return _dispellerSpell; }
    uint8 GetRemovedCharges() const { return _chargesRemoved; }
    void SetRemovedCharges(uint8 amount)
    {
        _chargesRemoved = amount;
    }
private:
    Unit* _dispellerUnit;
    uint32 _dispellerSpell;
    uint8 _chargesRemoved;
};

struct CleanDamage
{
    CleanDamage(uint32 mitigated, uint32 absorbed, WeaponAttackType _attackType, MeleeHitOutcome _hitOutCome) :
    absorbed_damage(absorbed), mitigated_damage(mitigated), attackType(_attackType), hitOutCome(_hitOutCome) {}

    uint32 absorbed_damage;
    uint32 mitigated_damage;

    WeaponAttackType attackType;
    MeleeHitOutcome hitOutCome;
};

struct CalcDamageInfo;

class DamageInfo
{
private:
    Unit* const m_attacker;
    Unit* const m_victim;
    uint32 m_damage;
    SpellInfo const* const m_spellInfo;
    SpellSchoolMask const m_schoolMask;
    DamageEffectType const m_damageType;
    WeaponAttackType m_attackType;
    uint32 m_absorb;
    uint32 m_resist;
    uint32 m_block;
public:
    explicit DamageInfo(Unit* _attacker, Unit* _victim, uint32 _damage, SpellInfo const* _spellInfo, SpellSchoolMask _schoolMask, DamageEffectType _damageType);
    explicit DamageInfo(CalcDamageInfo& dmgInfo);

    void ModifyDamage(int32 amount);
    void AbsorbDamage(uint32 amount);
    void ResistDamage(uint32 amount);
    void BlockDamage(uint32 amount);

    Unit* GetAttacker() const { return m_attacker; };
    Unit* getVictim() const { return m_victim; };
    SpellInfo const* GetSpellInfo() const { return m_spellInfo; };
    SpellSchoolMask GetSchoolMask() const { return m_schoolMask; };
    DamageEffectType GetDamageType() const { return m_damageType; };
    WeaponAttackType GetAttackType() const { return m_attackType; };
    uint32 GetDamage() const { return m_damage; };
    uint32 GetAbsorb() const { return m_absorb; };
    uint32 GetResist() const { return m_resist; };
    uint32 GetBlock() const { return m_block; };
};

class HealInfo
{
private:
    Unit* const m_healer;
    Unit* const m_target;
    uint32 m_heal;
    uint32 m_absorb;
    SpellInfo const* const m_spellInfo;
    SpellSchoolMask const m_schoolMask;
public:
    explicit HealInfo(Unit* _healer, Unit* _target, uint32 _heal, SpellInfo const* _spellInfo, SpellSchoolMask _schoolMask)
        : m_healer(_healer), m_target(_target), m_heal(_heal), m_spellInfo(_spellInfo), m_schoolMask(_schoolMask)
    {
        m_absorb = 0;
    }
    void AbsorbHeal(uint32 amount)
    {
        amount = std::min(amount, GetHeal());
        m_absorb += amount;
        m_heal -= amount;
    }

    uint32 GetHeal() const { return m_heal; };
};

class ProcEventInfo
{
private:
    Unit* const _actor;
    Unit* const _actionTarget;
    Unit* const _procTarget;
    uint32 _typeMask;
    uint32 _spellTypeMask;
    uint32 _spellPhaseMask;
    uint32 _hitMask;
    Spell* _spell;
    DamageInfo* _damageInfo;
    HealInfo* _healInfo;
public:
    explicit ProcEventInfo(Unit* actor, Unit* actionTarget, Unit* procTarget, uint32 typeMask, uint32 spellTypeMask, uint32 spellPhaseMask, uint32 hitMask, Spell* spell, DamageInfo* damageInfo, HealInfo* healInfo);
    Unit* GetActor() { return _actor; };
    Unit* GetActionTarget() const { return _actionTarget; }
    Unit* GetProcTarget() const { return _procTarget; }
    uint32 GetTypeMask() const { return _typeMask; }
    uint32 GetSpellTypeMask() const { return _spellTypeMask; }
    uint32 GetSpellPhaseMask() const { return _spellPhaseMask; }
    uint32 GetHitMask() const { return _hitMask; }
    SpellInfo const* GetSpellInfo() const { return NULL; }
    SpellSchoolMask GetSchoolMask() const { return SPELL_SCHOOL_MASK_NONE; }
    DamageInfo* GetDamageInfo() const { return _damageInfo; }
    HealInfo* GetHealInfo() const { return _healInfo; }
};

// Struct for use in Unit::CalculateMeleeDamage
// Need create structure like in SMSG_ATTACKER_STATE_UPDATE opcode
struct CalcDamageInfo
{
    Unit  *attacker;             // Attacker
    Unit  *target;               // Target for damage
    uint32 damageSchoolMask;
    uint32 damage;
    uint32 absorb;
    uint32 resist;
    uint32 blocked_amount;
    uint32 HitInfo;
    uint32 TargetState;
// Helper
    WeaponAttackType attackType; //
    uint32 procAttacker;
    uint32 procVictim;
    uint32 procEx;
    uint32 cleanDamage;          // Used only for rage calculation
    MeleeHitOutcome hitOutCome;  // TODO: remove this field (need use TargetState)
};

// Spell damage info structure based on structure sending in SMSG_SPELL_NON_MELEE_DAMAGE_LOG opcode
struct SpellNonMeleeDamage{
    SpellNonMeleeDamage(Unit* _attacker, Unit* _target, uint32 _SpellID, uint32 _schoolMask)
        : target(_target), attacker(_attacker), SpellID(_SpellID), damage(0), overkill(0), schoolMask(_schoolMask),
        absorb(0), resist(0), physicalLog(false), unused(false), blocked(0), HitInfo(0), cleanDamage(0)
    {}

    Unit   *target;
    Unit   *attacker;
    uint32 SpellID;
    uint32 damage;
    uint32 overkill;
    uint32 schoolMask;
    uint32 absorb;
    uint32 resist;
    bool   physicalLog;
    bool   unused;
    uint32 blocked;
    uint32 HitInfo;
    // Used for help
    uint32 cleanDamage;
};

struct SpellPeriodicAuraLogInfo
{
    SpellPeriodicAuraLogInfo(constAuraEffectPtr _auraEff, uint32 _damage, uint32 _overDamage, uint32 _absorb, uint32 _resist, float _multiplier, bool _critical)
        : auraEff(_auraEff), damage(_damage), overDamage(_overDamage), absorb(_absorb), resist(_resist), multiplier(_multiplier), critical(_critical){}

    constAuraEffectPtr auraEff;
    uint32 damage;
    uint32 overDamage;                                      // overkill/overheal
    uint32 absorb;
    uint32 resist;
    float  multiplier;
    bool   critical;
};

uint32 createProcExtendMask(SpellNonMeleeDamage* damageInfo, SpellMissInfo missCondition);

#define MAX_DECLINED_NAME_CASES 5

struct DeclinedName
{
    std::string name[MAX_DECLINED_NAME_CASES];
};

enum CurrentSpellTypes
{
    CURRENT_MELEE_SPELL             = 0,
    CURRENT_GENERIC_SPELL           = 1,
    CURRENT_CHANNELED_SPELL         = 2,
    CURRENT_AUTOREPEAT_SPELL        = 3
};

#define CURRENT_FIRST_NON_MELEE_SPELL 1
#define CURRENT_MAX_SPELL             4

struct GlobalCooldown
{
    explicit GlobalCooldown(uint32 _dur = 0, uint32 _time = 0) : duration(_dur), cast_time(_time) {}

    uint32 duration;
    uint32 cast_time;
};

typedef UNORDERED_MAP<uint32 /*category*/, GlobalCooldown> GlobalCooldownList;

class GlobalCooldownMgr                                     // Shared by Player and CharmInfo
{
public:
    GlobalCooldownMgr() {}

public:
    bool HasGlobalCooldown(SpellInfo const* spellInfo) const;
    void AddGlobalCooldown(SpellInfo const* spellInfo, uint32 gcd);
    void CancelGlobalCooldown(SpellInfo const* spellInfo);

private:
    GlobalCooldownList m_GlobalCooldowns;
};

enum ActiveStates
{
    ACT_PASSIVE  = 0x01,                                    // 0x01 - passive
    ACT_DISABLED = 0x81,                                    // 0x80 - castable
    ACT_ENABLED  = 0xC1,                                    // 0x40 | 0x80 - auto cast + castable
    ACT_COMMAND  = 0x07,                                    // 0x01 | 0x02 | 0x04
    ACT_REACTION = 0x06,                                    // 0x02 | 0x04
    ACT_DECIDE   = 0x00                                     // custom
};

enum ReactStates
{
    REACT_PASSIVE    = 0,
    REACT_DEFENSIVE  = 1,
    REACT_AGGRESSIVE = 2,
    REACT_HELPER     = 3
};

enum CommandStates
{
    COMMAND_STAY    = 0,
    COMMAND_FOLLOW  = 1,
    COMMAND_ATTACK  = 2,
    COMMAND_ABANDON = 3,
    COMMAND_MOVE_TO = 4
};

#define UNIT_ACTION_BUTTON_ACTION(X) (uint32(X) & 0x00FFFFFF)
#define UNIT_ACTION_BUTTON_TYPE(X)   ((uint32(X) & 0xFF000000) >> 24)
#define MAKE_UNIT_ACTION_BUTTON(A, T) (uint32(A) | (uint32(T) << 24))

struct UnitActionBarEntry
{
    UnitActionBarEntry() : packedData(uint32(ACT_DISABLED) << 24) {}

    uint32 packedData;

    // helper
    ActiveStates GetType() const { return ActiveStates(UNIT_ACTION_BUTTON_TYPE(packedData)); }
    uint32 GetAction() const { return UNIT_ACTION_BUTTON_ACTION(packedData); }
    bool IsActionBarForSpell() const
    {
        ActiveStates Type = GetType();
        return Type == ACT_DISABLED || Type == ACT_ENABLED || Type == ACT_PASSIVE;
    }

    void SetActionAndType(uint32 action, ActiveStates type)
    {
        packedData = MAKE_UNIT_ACTION_BUTTON(action, type);
    }

    void SetType(ActiveStates type)
    {
        packedData = MAKE_UNIT_ACTION_BUTTON(UNIT_ACTION_BUTTON_ACTION(packedData), type);
    }

    void SetAction(uint32 action)
    {
        packedData = (packedData & 0xFF000000) | UNIT_ACTION_BUTTON_ACTION(action);
    }
};

typedef std::list<Player*> SharedVisionList;

enum CharmType
{
    CHARM_TYPE_CHARM,
    CHARM_TYPE_POSSESS,
    CHARM_TYPE_VEHICLE,
    CHARM_TYPE_CONVERT,
};

typedef UnitActionBarEntry CharmSpellInfo;

enum ActionBarIndex
{
    ACTION_BAR_INDEX_START = 0,
    ACTION_BAR_INDEX_PET_SPELL_START = 3,
    ACTION_BAR_INDEX_PET_SPELL_END = 7,
    ACTION_BAR_INDEX_END = 10,
};

#define MAX_UNIT_ACTION_BAR_INDEX (ACTION_BAR_INDEX_END-ACTION_BAR_INDEX_START)

struct CharmInfo
{
    public:
        explicit CharmInfo(Unit* unit);
        ~CharmInfo();
        void RestoreState();
        uint32 GetPetNumber() const { return m_petnumber; }
        void SetPetNumber(uint32 petnumber, bool statwindow);

        void SetCommandState(CommandStates st) { m_CommandState = st; }
        CommandStates GetCommandState() const { return m_CommandState; }
        bool HasCommandState(CommandStates state) const { return (m_CommandState == state); }

        void InitPossessCreateSpells();
        void InitCharmCreateSpells();
        void InitPetActionBar();
        void InitEmptyActionBar(bool withAttack = true);

                                                            //return true if successful
        bool AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates newstate = ACT_DECIDE);
        bool RemoveSpellFromActionBar(uint32 spell_id);
        void LoadPetActionBar(const std::string& data);
        void BuildActionBar(WorldPacket* data);
        void SetSpellAutocast(SpellInfo const* spellInfo, bool state);
        void SetActionBar(uint8 index, uint32 spellOrAction, ActiveStates type)
        {
            PetActionBar[index].SetActionAndType(spellOrAction, type);
        }
        UnitActionBarEntry const* GetActionBarEntry(uint8 index) const { return &(PetActionBar[index]); }

        void ToggleCreatureAutocast(SpellInfo const* spellInfo, bool apply);

        CharmSpellInfo* GetCharmSpell(uint8 index) { return &(m_charmspells[index]); }

        GlobalCooldownMgr& GetGlobalCooldownMgr() { return m_GlobalCooldownMgr; }

        void SetIsCommandAttack(bool val);
        bool IsCommandAttack();
        void SetIsCommandFollow(bool val);	
        bool IsCommandFollow();
        void SetIsAtStay(bool val);
        bool IsAtStay();
        void SetIsFollowing(bool val);
        bool IsFollowing();
        void SetIsReturning(bool val);
        bool IsReturning();
        void SaveStayPosition();
        void GetStayPosition(float &x, float &y, float &z);

    private:

        Unit* m_unit;
        UnitActionBarEntry PetActionBar[MAX_UNIT_ACTION_BAR_INDEX];
        CharmSpellInfo m_charmspells[4];
        CommandStates   m_CommandState;
        uint32          m_petnumber;
        bool            m_barInit;

        //for restoration after charmed
        ReactStates     m_oldReactState;

        bool m_isCommandAttack;
        bool _isCommandFollow;
        bool m_isAtStay;
        bool m_isFollowing;
        bool m_isReturning;
        float m_stayX;
        float m_stayY;
        float m_stayZ;

        GlobalCooldownMgr m_GlobalCooldownMgr;
};

// for clearing special attacks
#define REACTIVE_TIMER_START 4000

enum ReactiveType
{
    REACTIVE_DEFENSE      = 0,
    REACTIVE_HUNTER_PARRY = 1,
    REACTIVE_OVERPOWER    = 2
};

#define MAX_REACTIVE 3
#define SUMMON_SLOT_PET     0
#define SUMMON_SLOT_TOTEM   1
#define MAX_TOTEM_SLOT      5
#define SUMMON_SLOT_MINIPET 5
#define SUMMON_SLOT_QUEST   6
#define MAX_SUMMON_SLOT     7

#define MAX_GAMEOBJECT_SLOT 4

enum PlayerTotemType
{
    SUMMON_TYPE_TOTEM_FIRE   = 63,
    SUMMON_TYPE_TOTEM_FIRE2  = 3403,
    SUMMON_TYPE_TOTEM_FIRE3  = 3599,
    SUMMON_TYPE_TOTEM_FIRE4  = 3211,

    SUMMON_TYPE_TOTEM_EARTH  = 81,
    SUMMON_TYPE_TOTEM_EARTH2 = 3400,
    SUMMON_TYPE_TOTEM_EARTH3 = 3404,

    SUMMON_TYPE_TOTEM_WATER  = 82,
    SUMMON_TYPE_TOTEM_WATER2 = 3402,

    SUMMON_TYPE_TOTEM_AIR    = 83,
    SUMMON_TYPE_TOTEM_AIR2   = 3405,
    SUMMON_TYPE_TOTEM_AIR3   = 3407,
    SUMMON_TYPE_TOTEM_AIR4   = 3406,
    SUMMON_TYPE_TOTEM_AIR5   = 3399
};

enum Stagger
{
    LIGHT_STAGGER       = 124275,
    MODERATE_STAGGER    = 124274,
    HEAVY_STAGGER       = 124273
};

// delay time next attack to prevent client attack animation problems
#define ATTACK_DISPLAY_DELAY 200
#define MAX_PLAYER_STEALTH_DETECT_RANGE 30.0f               // max distance for detection targets by player

struct SpellProcEventEntry;                                 // used only privately

class Unit : public WorldObject
{
    public:
        typedef std::set<Unit*> AttackerSet;
        typedef std::set<Unit*> ControlList;
        typedef std::pair<uint32, uint8> spellEffectPair;
        typedef std::multimap<uint32,  AuraPtr> AuraMap;
        typedef std::multimap<uint32,  AuraApplication*> AuraApplicationMap;
        typedef std::multimap<AuraStateType,  AuraApplication*> AuraStateAurasMap;
        typedef std::list<AuraEffectPtr> AuraEffectList;
        typedef std::list<AuraPtr> AuraList;
        typedef std::list<AuraApplication *> AuraApplicationList;
        typedef std::list<DiminishingReturn> Diminishing;
        typedef std::set<uint32> ComboPointHolderSet;
        typedef std::vector<uint32> AuraIdList;

        typedef std::map<uint8, AuraApplication*> VisibleAuraMap;

        virtual ~Unit();

        UnitAI* GetAI() { return i_AI; }
        void SetAI(UnitAI* newAI) { i_AI = newAI; }

        void AddToWorld();
        void RemoveFromWorld();

        void CleanupBeforeRemoveFromMap(bool finalCleanup);
        void CleanupsBeforeDelete(bool finalCleanup = true);                        // used in ~Creature/~Player (or before mass creature delete to remove cross-references to already deleted units)

        DiminishingLevels GetDiminishing(DiminishingGroup  group);
        void IncrDiminishing(DiminishingGroup group);
        float ApplyDiminishingToDuration(DiminishingGroup  group, int32 &duration, Unit* caster, DiminishingLevels Level, int32 limitduration);
        void ApplyDiminishingAura(DiminishingGroup  group, bool apply);
        void ClearDiminishings() { m_Diminishing.clear(); }

        // target dependent range checks
        float GetSpellMaxRangeForTarget(Unit const* target, SpellInfo const* spellInfo) const;
        float GetSpellMinRangeForTarget(Unit const* target, SpellInfo const* spellInfo) const;
        bool CanIgnoreMinRange(Unit const* target, SpellInfo const* spellInfo) const;

        virtual void Update(uint32 time);

        void setAttackTimer(WeaponAttackType type, uint32 time) { m_attackTimer[type] = time; }
        void resetAttackTimer(WeaponAttackType type = BASE_ATTACK);
        uint32 getAttackTimer(WeaponAttackType type) const { return m_attackTimer[type]; }
        bool isAttackReady(WeaponAttackType type = BASE_ATTACK) const { return m_attackTimer[type] == 0; }
        bool haveOffhandWeapon() const;
        bool CanDualWield() const { return m_canDualWield; }
        void SetCanDualWield(bool value) { m_canDualWield = value; }
        float GetCombatReach() const { return m_floatValues[UNIT_FIELD_COMBAT_REACH]; }
        float GetMeleeReach() const { float reach = m_floatValues[UNIT_FIELD_COMBAT_REACH]; return reach > MIN_MELEE_REACH ? reach : MIN_MELEE_REACH; }
        bool IsWithinCombatRange(const Unit* obj, float dist2compare) const;
        bool IsWithinMeleeRange(const Unit* obj, float dist = MELEE_RANGE) const;
        void GetRandomContactPoint(const Unit* target, float &x, float &y, float &z, float distance2dMin, float distance2dMax) const;
        uint32 m_extraAttacks;
        bool m_canDualWield;
        int32 insightCount;

        void _addAttacker(Unit* pAttacker)                  // must be called only from Unit::Attack(Unit*)
        {
            m_attackers.insert(pAttacker);
        }
        void _removeAttacker(Unit* pAttacker)               // must be called only from Unit::AttackStop()
        {
            m_attackers.erase(pAttacker);
        }
        Unit* getAttackerForHelper() const                 // If someone wants to help, who to give them
        {
            if (getVictim() != NULL)
                return getVictim();

            if (!m_attackers.empty())
                return *(m_attackers.begin());

            return NULL;
        }
        bool Attack(Unit* victim, bool meleeAttack);
        void CastStop(uint32 except_spellid = 0);
        bool AttackStop();
        void RemoveAllAttackers();
        AttackerSet const& getAttackers() const { return m_attackers; }
        bool isAttackingPlayer() const;
        Unit* getVictim() const { return m_attacking; }

        void CombatStop(bool includingCast = false);
        void CombatStopWithPets(bool includingCast = false);
        void StopAttackFaction(uint32 faction_id);
        void GetAttackableUnitListInRange(std::list<Unit*> &list, float fMaxSearchRange) const;
        Unit* SelectNearbyTarget(Unit* exclude = NULL, float dist = NOMINAL_MELEE_RANGE) const;
        Unit* SelectNearbyAlly(Unit* exclude = NULL, float dist = NOMINAL_MELEE_RANGE) const;
        void SendMeleeAttackStop(Unit* victim = NULL);
        void SendMeleeAttackStart(Unit* victim);
        bool IsVisionObscured(Unit* victim, SpellInfo const* spellInfo);

        // Part of Evade mechanics
        time_t GetLastDamagedTime() const { return _lastDamagedTime; }
        void SetLastDamagedTime(time_t val) { _lastDamagedTime = val; }

        time_t GetLastCombatTime() const { return _lastCombatTime; }
        void SetLastCombatTime(time_t val) { _lastCombatTime = val; }

        void AddUnitState(uint32 f) { m_state |= f; }
        bool HasUnitState(const uint32 f) const { return (m_state & f); }
        void ClearUnitState(uint32 f) { m_state &= ~f; }

        bool CanFreeMove() const
        {
            return !HasUnitState(UNIT_STATE_CONFUSED | UNIT_STATE_FLEEING | UNIT_STATE_IN_FLIGHT |
                UNIT_STATE_ROOT | UNIT_STATE_STUNNED | UNIT_STATE_DISTRACTED) && GetOwnerGUID() == 0;
        }

        bool IsInCC() const
        {
            return (HasUnitState(UNIT_STATE_CONFUSED | UNIT_STATE_FLEEING) || HasAuraType(SPELL_AURA_MOD_FEAR) || HasAuraType(SPELL_AURA_MOD_FEAR_2)) ? true : false;
        }

        uint32 HasUnitTypeMask(uint32 mask) const { return mask & m_unitTypeMask; }
        void AddUnitTypeMask(uint32 mask) { m_unitTypeMask |= mask; }
        bool isSummon() const   { return m_unitTypeMask & UNIT_MASK_SUMMON; }
        bool isGuardian() const { return m_unitTypeMask & UNIT_MASK_GUARDIAN; }
        bool isPet() const      { return m_unitTypeMask & UNIT_MASK_PET; }
        bool isHunterPet() const{ return m_unitTypeMask & UNIT_MASK_HUNTER_PET; }
        bool isTotem() const    { return m_unitTypeMask & UNIT_MASK_TOTEM; }
        bool IsVehicle() const  { return m_unitTypeMask & UNIT_MASK_VEHICLE; }

        bool IsPetGuardianStuff() const { return m_unitTypeMask & ( UNIT_MASK_SUMMON | UNIT_MASK_GUARDIAN | UNIT_MASK_PET | UNIT_MASK_HUNTER_PET | UNIT_MASK_TOTEM ); }

        uint8 getLevel() const { return uint8(GetUInt32Value(UNIT_FIELD_LEVEL)); }
        uint8 getLevelForTarget(WorldObject const* /*target*/) const { return getLevel(); }
        void SetLevel(uint8 lvl);
        uint8 getRace() const { return GetByteValue(UNIT_FIELD_BYTES_0, 0); }
        uint32 getRaceMask() const { return 1 << (getRace()-1); }
        uint8 getClass() const { return GetByteValue(UNIT_FIELD_BYTES_0, 1); }
        uint32 getClassMask() const { return 1 << (getClass()-1); }
        uint8 getGender() const { return GetByteValue(UNIT_FIELD_BYTES_0, 3); }

        float GetStat(Stats stat) const { return float(GetUInt32Value(UNIT_FIELD_STAT0+stat)); }
        void SetStat(Stats stat, int32 val) { SetStatInt32Value(UNIT_FIELD_STAT0+stat, val); }
        uint32 GetArmor() const { return GetResistance(SPELL_SCHOOL_NORMAL); }
        void SetArmor(int32 val) { SetResistance(SPELL_SCHOOL_NORMAL, val); }

        uint32 GetResistance(SpellSchools school) const { return GetUInt32Value(UNIT_FIELD_RESISTANCES+school); }
        uint32 GetResistance(SpellSchoolMask mask) const;
        void SetResistance(SpellSchools school, int32 val) { SetStatInt32Value(UNIT_FIELD_RESISTANCES+school, val); }

        uint32 GetHealth()    const { return GetUInt32Value(UNIT_FIELD_HEALTH); }
        uint32 GetMaxHealth() const { return GetUInt32Value(UNIT_FIELD_MAXHEALTH); }

        bool IsFullHealth() const { return GetHealth() == GetMaxHealth(); }
        bool HealthBelowPct(int32 pct) const { return GetHealth() < CountPctFromMaxHealth(pct); }
        bool HealthBelowPctDamaged(int32 pct, uint32 damage) const { return int64(GetHealth()) - int64(damage) < int64(CountPctFromMaxHealth(pct)); }
        bool HealthAbovePct(int32 pct) const { return GetHealth() > CountPctFromMaxHealth(pct); }
        bool HealthAbovePctHealed(int32 pct, uint32 heal) const { return uint64(GetHealth()) + uint64(heal) > CountPctFromMaxHealth(pct); }
        float GetHealthPct() const { return GetMaxHealth() ? 100.f * GetHealth() / GetMaxHealth() : 0.0f; }
        uint32 CountPctFromMaxHealth(int32 pct) const { return CalculatePct(GetMaxHealth(), pct); }
        uint32 CountPctFromCurHealth(int32 pct) const { return CalculatePct(GetHealth(), pct); }
        uint32 CountPctFromMaxMana(int32 pct) const { return CalculatePct(GetMaxPower(POWER_MANA), pct); }
        uint32 CountPctFromCurMana(int32 pct) const { return CalculatePct(GetPower(POWER_MANA), pct); }
        uint32 CountPctFromMaxPower(int32 pct, Powers power) const { return CalculatePct(GetMaxPower(power), pct); }
        uint32 CountPctFromCurPower(int32 pct, Powers power) const { return CalculatePct(GetPower(power), pct); }

        void CheckEclipsePowerAuras(int32 powerValue);

        void SetHealth(uint32 val);
        void SetMaxHealth(uint32 val);
        inline void SetFullHealth() { SetHealth(GetMaxHealth()); }
        int32 ModifyHealth(int32 val);
        int32 GetHealthGain(int32 dVal);

        Powers getPowerType() const { return Powers(GetUInt32Value(UNIT_FIELD_DISPLAY_POWER)); }
        void setPowerType(Powers power);
        int32 GetPower(Powers power) const;
        int32 GetMinPower(Powers power) const { return power == POWER_ECLIPSE ? -100 : 0; }
        int32 GetMaxPower(Powers power) const;
        void SetPower(Powers power, int32 val);
        void SetMaxPower(Powers power, int32 val);
        SpellPowerEntry const* GetSpellPowerEntryBySpell(SpellInfo const* spell) const;

        // returns the change in power
        int32 ModifyPower(Powers power, int32 val);
        int32 ModifyPowerPct(Powers power, float pct, bool apply = true);

        uint32 GetPowerIndexByClass(uint32 powerId, uint32 classId) const;

        uint32 GetAttackTime(WeaponAttackType att) const
        {
           float f_BaseAttackTime = GetFloatValue(UNIT_FIELD_BASEATTACKTIME+att) / m_modAttackSpeedPct[att];
           return (uint32)f_BaseAttackTime;
        }

        void SetAttackTime(WeaponAttackType att, uint32 val) { SetFloatValue(UNIT_FIELD_BASEATTACKTIME+att, val*m_modAttackSpeedPct[att]); }
        void ApplyAttackTimePercentMod(WeaponAttackType att, float val, bool apply);
        void ApplyCastTimePercentMod(float val, bool apply);

        SheathState GetSheath() const { return SheathState(GetByteValue(UNIT_FIELD_BYTES_2, 0)); }
        virtual void SetSheath(SheathState sheathed) { SetByteValue(UNIT_FIELD_BYTES_2, 0, sheathed); }

        // faction template id
        uint32 getFaction() const { return GetUInt32Value(UNIT_FIELD_FACTIONTEMPLATE); }
        void setFaction(uint32 faction) { SetUInt32Value(UNIT_FIELD_FACTIONTEMPLATE, faction); }
        FactionTemplateEntry const* getFactionTemplateEntry() const;

        ReputationRank GetReactionTo(Unit const* target) const;
        ReputationRank static GetFactionReactionTo(FactionTemplateEntry const* factionTemplateEntry, Unit const* target);

        bool IsHostileTo(Unit const* unit) const;
        bool IsHostileToPlayers() const;
        bool IsFriendlyTo(Unit const* unit) const;
        bool IsNeutralToAll() const;
        bool IsInPartyWith(Unit const* unit) const;
        bool IsInRaidWith(Unit const* unit) const;
        void GetPartyMembers(std::list<Unit*> &units);
        bool IsContestedGuard() const
        {
            if (FactionTemplateEntry const* entry = getFactionTemplateEntry())
                return entry->IsContestedGuardFaction();

            return false;
        }
        bool IsFFAPvP() const { return HasByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_FFA_PVP); }
        bool IsPvP() const { return HasByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_PVP); }
        void SetPvP(bool state)
        {
            if (state)
                SetByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_PVP);
            else
                RemoveByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_PVP);
        }

        uint32 GetCreatureType() const;
        uint32 GetCreatureTypeMask() const
        {
            uint32 creatureType = GetCreatureType();
            return (creatureType >= 1) ? (1 << (creatureType - 1)) : 0;
        }

        uint8 getStandState() const { return GetByteValue(UNIT_FIELD_BYTES_1, 0); }
        bool IsSitState() const;
        bool IsStandState() const;
        void SetStandState(uint8 state);

        void  SetStandFlags(uint8 flags) { SetByteFlag(UNIT_FIELD_BYTES_1, 2, flags); }
        void  RemoveStandFlags(uint8 flags) { RemoveByteFlag(UNIT_FIELD_BYTES_1, 2, flags); }

        bool IsMounted() const { return HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_MOUNT); }
        uint32 GetMountID() const { return GetUInt32Value(UNIT_FIELD_MOUNTDISPLAYID); }
        void Mount(uint32 mount, uint32 vehicleId = 0, uint32 creatureEntry = 0);
        void Dismount();
        void SendMountResult(MountResult error);
        MountCapabilityEntry const* GetMountCapability(uint32 mountType) const;

        void SendDurabilityLoss(Player* receiver, uint32 percent);
        void PlayOneShotAnimKit(uint32 id);

        uint16 GetMaxSkillValueForLevel(Unit const* target = NULL) const { return (target ? getLevelForTarget(target) : getLevel()) * 5; }
        void DealDamageMods(Unit* victim, uint32 &damage, uint32* absorb);
        uint32 DealDamage(Unit* victim, uint32 damage, CleanDamage const* cleanDamage = NULL, DamageEffectType damagetype = DIRECT_DAMAGE, SpellSchoolMask damageSchoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellInfo const* spellProto = NULL, bool durabilityLoss = true);
        uint32 CalcStaggerDamage(Player* victim, uint32 damage);
        void Kill(Unit* victim, bool durabilityLoss = true, SpellInfo const* spellProto = NULL);
        int32 DealHeal(Unit* victim, uint32 addhealth, SpellInfo const* spellProto = NULL);

        void ProcDamageAndSpell(Unit* victim, uint32 procAttacker, uint32 procVictim, uint32 procEx, uint32 amount, uint32 absorb = 0, WeaponAttackType attType = BASE_ATTACK, SpellInfo const* procSpell = NULL, SpellInfo const* procAura = NULL);
        void ProcDamageAndSpellFor(bool isVictim, Unit* target, uint32 procFlag, uint32 procExtra, WeaponAttackType attType, SpellInfo const* procSpell, uint32 damage, uint32 absorb = 0, SpellInfo const* procAura = NULL);

        bool IsNoBreakingCC(bool isVictim, Unit* target, uint32 procFlag, uint32 procExtra, WeaponAttackType attType, SpellInfo const* procSpell, uint32 damage, uint32 absorb, SpellInfo const* procAura, SpellInfo const* spellProto) const;

        void GetProcAurasTriggeredOnEvent(std::list<AuraApplication*>& aurasTriggeringProc, std::list<AuraApplication*>* procAuras, ProcEventInfo eventInfo);
        void TriggerAurasProcOnEvent(CalcDamageInfo& damageInfo);
        void TriggerAurasProcOnEvent(std::list<AuraApplication*>* myProcAuras, std::list<AuraApplication*>* targetProcAuras, Unit* actionTarget, uint32 typeMaskActor, uint32 typeMaskActionTarget, uint32 spellTypeMask, uint32 spellPhaseMask, uint32 hitMask, Spell* spell, DamageInfo* damageInfo, HealInfo* healInfo);
        void TriggerAurasProcOnEvent(ProcEventInfo& eventInfo, std::list<AuraApplication*>& procAuras);

        void HandleEmoteCommand(uint32 anim_id);
        void HandleEmote(uint32 emote_id);
        void HandleEmoteState(uint32 emote_id);
        uint32 GetEmoteState() { return GetUInt32Value(UNIT_NPC_EMOTESTATE); }
        void SetStoredEmoteState(uint32 emoteState) { m_oldEmoteState = emoteState; }
        uint32 GetStoredEmoteState() { return m_oldEmoteState; }
        void ClearEmotes();

        void AttackerStateUpdate (Unit* victim, WeaponAttackType attType = BASE_ATTACK, bool extra = false);

        void CalculateMeleeDamage(Unit* victim, uint32 damage, CalcDamageInfo* damageInfo, WeaponAttackType attackType = BASE_ATTACK);
        void DealMeleeDamage(CalcDamageInfo* damageInfo, bool durabilityLoss);
        void HandleProcExtraAttackFor(Unit* victim);

        void CalculateSpellDamageTaken(SpellNonMeleeDamage* damageInfo, int32 damage, SpellInfo const* spellInfo, WeaponAttackType attackType = BASE_ATTACK, bool crit = false);
        void DealSpellDamage(SpellNonMeleeDamage* damageInfo, bool durabilityLoss);

        // player or player's pet resilience (-1%)
        uint32 GetCritDamageReduction(uint32 damage) const { return GetCombatRatingDamageReduction(CR_RESILIENCE_CRIT_TAKEN, 33.0f, damage); }
        uint32 GetDamageReduction(uint32 damage) const { return GetCombatRatingDamageReduction(CR_RESILIENCE_PLAYER_DAMAGE_TAKEN, 100.0f, damage); }

        void ApplyResilience(const Unit* victim, int32 * damage) const;

        float MeleeSpellMissChance(const Unit* victim, WeaponAttackType attType, uint32 spellId) const;
        SpellMissInfo MeleeSpellHitResult(Unit* victim, SpellInfo const* spell);
        SpellMissInfo MagicSpellHitResult(Unit* victim, SpellInfo const* spell);
        SpellMissInfo SpellHitResult(Unit* victim, SpellInfo const* spell, bool canReflect = false);

        float GetUnitDodgeChance()    const;
        float GetUnitParryChance()    const;
        float GetUnitBlockChance()    const;
        float GetUnitMissChance(WeaponAttackType attType)     const;
        float GetUnitCriticalChance(WeaponAttackType attackType, const Unit* victim) const;
        int32 GetMechanicResistChance(const SpellInfo* spell);
        bool CanUseAttackType(uint8 attacktype) const
        {
            switch (attacktype)
            {
                case BASE_ATTACK: return !HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISARMED);
                case OFF_ATTACK: return !HasFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_DISARM_OFFHAND);
                case RANGED_ATTACK: return !HasFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_DISARM_RANGED);
            }
            return true;
        }

        virtual uint32 GetBlockPercent() { return 30; }

        uint32 GetUnitMeleeSkill(Unit const* target = NULL) const { return (target ? getLevelForTarget(target) : getLevel()) * 5; }
        float GetWeaponProcChance() const;
        float GetPPMProcChance(uint32 WeaponSpeed, float PPM,  const SpellInfo* spellProto) const;

        MeleeHitOutcome RollMeleeOutcomeAgainst (const Unit* victim, WeaponAttackType attType) const;
        MeleeHitOutcome RollMeleeOutcomeAgainst (const Unit* victim, WeaponAttackType attType, int32 crit_chance, int32 miss_chance, int32 dodge_chance, int32 parry_chance, int32 block_chance) const;

        bool isVendor()       const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_VENDOR); }
        bool isTrainer()      const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_TRAINER); }
        bool isQuestGiver()   const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_QUESTGIVER); }
        bool isGossip()       const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP); }
        bool isTaxi()         const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_FLIGHTMASTER); }
        bool isGuildMaster()  const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_PETITIONER); }
        bool isBattleMaster() const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_BATTLEMASTER); }
        bool isBanker()       const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_BANKER); }
        bool isInnkeeper()    const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_INNKEEPER); }
        bool isSpiritHealer() const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPIRITHEALER); }
        bool isSpiritGuide()  const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPIRITGUIDE); }
        bool isTabardDesigner()const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_TABARDDESIGNER); }
        bool isAuctioner()    const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_AUCTIONEER); }
        bool isArmorer()      const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_REPAIR); }
        bool isServiceProvider() const
        {
            return HasFlag(UNIT_NPC_FLAGS,
                UNIT_NPC_FLAG_VENDOR | UNIT_NPC_FLAG_TRAINER | UNIT_NPC_FLAG_FLIGHTMASTER |
                UNIT_NPC_FLAG_PETITIONER | UNIT_NPC_FLAG_BATTLEMASTER | UNIT_NPC_FLAG_BANKER |
                UNIT_NPC_FLAG_INNKEEPER | UNIT_NPC_FLAG_SPIRITHEALER |
                UNIT_NPC_FLAG_SPIRITGUIDE | UNIT_NPC_FLAG_TABARDDESIGNER | UNIT_NPC_FLAG_AUCTIONEER);
        }
        bool isSpiritService() const { return HasFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_SPIRITHEALER | UNIT_NPC_FLAG_SPIRITGUIDE); }

        bool isInFlight()  const { return HasUnitState(UNIT_STATE_IN_FLIGHT); }

        bool isInCombat()  const { return HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IN_COMBAT); }
        void CombatStart(Unit* target, bool initialAggro = true);
        void SetInCombatState(bool PvP, Unit* enemy = NULL, bool isControlled = false);
        void SetInCombatWith(Unit* enemy);
        void ClearInCombat();
        uint32 GetCombatTimer() const { return m_CombatTimer; }
        void SetCombatTimer(uint32 value) { m_CombatTimer = value; }

        bool HasAuraTypeWithFamilyFlags(AuraType auraType, uint32 familyName, uint32 familyFlags) const;
        bool virtual HasSpell(uint32 /*spellID*/) const { return false; }
        bool HasCrowdControlAuraType(AuraType type, uint32 excludeAura = 0) const;
        bool HasCrowdControlAura(Unit* excludeCasterChannel = NULL) const;
        bool HasBreakableByDamageAuraType(AuraType type, uint32 excludeAura = 0) const;
        bool HasBreakableByDamageCrowdControlAura(Unit* excludeCasterChannel = NULL) const;

        bool HasStealthAura()      const { return HasAuraType(SPELL_AURA_MOD_STEALTH); }
        bool HasInvisibilityAura() const { return HasAuraType(SPELL_AURA_MOD_INVISIBILITY); }
        bool isFeared()  const { return HasAuraType(SPELL_AURA_MOD_FEAR) || HasAuraType(SPELL_AURA_MOD_FEAR_2); }
        bool isInRoots() const { return HasAuraType(SPELL_AURA_MOD_ROOT); }
        bool isInStun() const { return HasAuraType(SPELL_AURA_MOD_STUN); }
        bool IsPolymorphed() const;

        bool isFrozen() const;

        bool isTargetableForAttack(bool checkFakeDeath = true) const;

        bool IsValidAttackTarget(Unit const* target) const;
        bool _IsValidAttackTarget(Unit const* target, SpellInfo const* bySpell, WorldObject const* obj = NULL) const;

        bool IsValidAssistTarget(Unit const* target) const;
        bool _IsValidAssistTarget(Unit const* target, SpellInfo const* bySpell) const;

        virtual bool IsInWater() const;
        virtual bool IsUnderWater() const;
        virtual void UpdateUnderwaterState(Map* m, float x, float y, float z);
        bool isInAccessiblePlaceFor(Creature const* c) const;

        void SendHealSpellLog(Unit* victim, uint32 SpellID, uint32 Damage, uint32 OverHeal, uint32 Absorb, bool critical = false);
        int32 HealBySpell(Unit* victim, SpellInfo const* spellInfo, uint32 addHealth, bool critical = false);
        void SendEnergizeSpellLog(Unit* victim, uint32 SpellID, uint32 Damage, Powers powertype);
        void EnergizeBySpell(Unit* victim, uint32 SpellID, int32 Damage, Powers powertype);
        uint32 SpellNonMeleeDamageLog(Unit* victim, uint32 spellID, uint32 damage);

        void CastSpell(SpellCastTargets const& targets, SpellInfo const* spellInfo, CustomSpellValues const* value, TriggerCastFlags triggerFlags = TRIGGERED_NONE, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0, float periodicDamageModifier = 0.0f);
        void CastSpell(Unit* victim, uint32 spellId, bool triggered, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0, float periodicDamageModifier = 0.0f);
        void CastSpell(Unit* victim, uint32 spellId, TriggerCastFlags triggerFlags = TRIGGERED_NONE, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0, float periodicDamageModifier = 0.0f);
        void CastSpell(Unit* victim, SpellInfo const* spellInfo, bool triggered, Item* castItem= NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastSpell(Unit* victim, SpellInfo const* spellInfo, TriggerCastFlags triggerFlags = TRIGGERED_NONE, Item* castItem= NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0, float periodicDamageModifier = 0.0f);
        void CastSpell(float x, float y, float z, uint32 spellId, bool triggered, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastCustomSpell(Unit* Victim, uint32 spellId, int32 const* bp0, int32 const* bp1, int32 const* bp2, bool triggered, Item* castItem= NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastCustomSpell(Unit* Victim, uint32 spellId, int32 const* bp0, int32 const* bp1, int32 const* bp2, int32 const* bp3, int32 const* bp4, int32 const* bp5, bool triggered, Item* castItem= NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastCustomSpell(uint32 spellId, SpellValueMod mod, int32 value, Unit* Victim = NULL, bool triggered = true, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastCustomSpell(uint32 spellId, CustomSpellValues const &value, Unit* Victim = NULL, bool triggered = true, Item* castItem = NULL, constAuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        void CastSpell(GameObject* go, uint32 spellId, bool triggered, Item* castItem = NULL, AuraEffectPtr triggeredByAura = NULLAURA_EFFECT, uint64 originalCaster = 0);
        AuraPtr ToggleAura(uint32 spellId, Unit* target);
        AuraPtr AddAura(uint32 spellId, Unit* target);
        AuraPtr AddAura(SpellInfo const* spellInfo, uint32 effMask, Unit* target);
        void SetAuraStack(uint32 spellId, Unit* target, uint32 stack);
        void SendPlaySpellVisualKit(uint32 id, uint32 unkParam);

        void DeMorph();

        void SendAttackStateUpdate(CalcDamageInfo* damageInfo);
        void SendAttackStateUpdate(uint32 HitInfo, Unit* target, uint8 SwingType, SpellSchoolMask damageSchoolMask, uint32 Damage, uint32 AbsorbDamage, uint32 Resist, VictimState TargetState, uint32 BlockedAmount);
        void SendSpellNonMeleeDamageLog(SpellNonMeleeDamage* log);
        void SendSpellNonMeleeDamageLog(Unit* target, uint32 SpellID, uint32 Damage, SpellSchoolMask damageSchoolMask, uint32 AbsorbedDamage, uint32 Resist, bool PhysicalDamage, uint32 Blocked, bool CriticalHit = false);
        void SendPeriodicAuraLog(SpellPeriodicAuraLogInfo* pInfo);
        void SendSpellMiss(Unit* target, uint32 spellID, SpellMissInfo missInfo);
        void SendSpellDamageResist(Unit* target, uint32 spellId);
        void SendSpellDamageImmune(Unit* target, uint32 spellId);
        void SendMessageUnfriendlyToSetInRange(WorldPacket* data, float fist);

        void NearTeleportTo(float x, float y, float z, float orientation, bool casting = false);
        void SendTeleportPacket(Position &oldPos);
        virtual bool UpdatePosition(float x, float y, float z, float ang, bool teleport = false);
        // returns true if unit's position really changed
        bool UpdatePosition(const Position &pos, bool teleport = false);
        void UpdateOrientation(float orientation);
        void UpdateHeight(float newZ);

        void SendMoveKnockBack(Player* player, float speedXY, float speedZ, float vcos, float vsin);
        void KnockbackFrom(float x, float y, float speedXY, float speedZ);
        void JumpTo(float speedXY, float speedZ, bool forward = true);
        void JumpTo(WorldObject* obj, float speedZ);
        void SendSetPlayHoverAnim(bool enable);

        void MonsterMoveWithSpeed(float x, float y, float z, float speed);
        //void SetFacing(float ori, WorldObject* obj = NULL);
        //void SendMonsterMove(float NewPosX, float NewPosY, float NewPosZ, uint8 type, uint32 MovementFlags, uint32 Time, Player* player = NULL);
        void SendMovementFlagUpdate(bool self = false);

        /*! These methods send the same packet to the client in apply and unapply case.
            The client-side interpretation of this packet depends on the presence of relevant movementflags
            which are sent with movementinfo. Furthermore, these packets are broadcast to nearby players as well
            as the current unit.
        */
        void SendMovementHover(bool apply);
        void SendMovementFeatherFall();
        void SendMovementWaterWalking(bool enable, bool packetOnly = false);
        void SendMovementGravityChange();
        void SendMovementCanFlyChange();
        void SendCanTurnWhileFalling(bool apply);

        bool IsMoving() const     { return m_movementInfo.HasMovementFlag(MOVEMENTFLAG_MASK_MOVING); }
        bool IsTurning() const    { return m_movementInfo.HasMovementFlag(MOVEMENTFLAG_MASK_TURNING); }
        bool IsLevitating() const { return m_movementInfo.HasMovementFlag(MOVEMENTFLAG_DISABLE_GRAVITY);}
        bool IsFlying() const     { return m_movementInfo.HasMovementFlag(MOVEMENTFLAG_FLYING); }
        bool IsWalking() const { return m_movementInfo.HasMovementFlag(MOVEMENTFLAG_WALKING);}

        void RemoveMovingFlags(){ return m_movementInfo.StopMoving(); }
        virtual bool CanFly() const = 0;

        virtual bool SetWalk(bool enable);                                     // Remove virtual.
        virtual bool SetDisableGravity(bool disable, bool packetOnly = false); // Remove virtual.
        bool SetFall(bool enable);
        bool SetSwim(bool enable);
        bool SetWaterWalking(bool enable, bool packetOnly = false);
        bool SetFeatherFall(bool enable, bool packetOnly = false);
        //bool SetHover(bool enable, bool packetOnly = false);
        bool SetHover(bool enable);
        void SetCanFly(bool enable);

        void SetInFront(Unit const* target);
        void SetFacingTo(float ori);
        void SetFacingToObject(WorldObject* object);

        void SendChangeCurrentVictimOpcode(HostileReference* pHostileReference);
        void SendClearThreatListOpcode();
        void SendRemoveFromThreatListOpcode(HostileReference* pHostileReference);
        void SendThreatListUpdate();

        void SendClearTarget();
        
        void BuildHeartBeatMsg(WorldPacket* data) const;

        bool IsAlive() const { return (m_deathState == ALIVE); };
        bool IsDying() const { return (m_deathState == JUST_DIED); };
        bool IsDead() const { return (m_deathState == DEAD || m_deathState == CORPSE); };
        DeathState getDeathState() { return m_deathState; };
        virtual void setDeathState(DeathState s);           // overwrited in Creature/Player/Pet

        uint64 GetOwnerGUID() const { return GetUInt64Value(UNIT_FIELD_SUMMONEDBY); }
        void SetOwnerGUID(uint64 owner);
        uint64 GetCreatorGUID() const { return GetUInt64Value(UNIT_FIELD_CREATEDBY); }
        void SetCreatorGUID(uint64 creator) { SetUInt64Value(UNIT_FIELD_CREATEDBY, creator); }
        uint64 GetMinionGUID() const { return GetUInt64Value(UNIT_FIELD_SUMMON); }
        void SetMinionGUID(uint64 guid) { SetUInt64Value(UNIT_FIELD_SUMMON, guid); }
        uint64 GetCharmerGUID() const { return GetUInt64Value(UNIT_FIELD_CHARMEDBY); }
        void SetCharmerGUID(uint64 owner) { SetUInt64Value(UNIT_FIELD_CHARMEDBY, owner); }
        uint64 GetCharmGUID() const { return  GetUInt64Value(UNIT_FIELD_CHARM); }
        void SetPetGUID(uint64 guid) { m_SummonSlot[SUMMON_SLOT_PET] = guid; }
        uint64 GetPetGUID() const { return m_SummonSlot[SUMMON_SLOT_PET]; }
        void SetCritterGUID(uint64 guid) { SetUInt64Value(UNIT_FIELD_CRITTER, guid); }
        uint64 GetCritterGUID() const { return GetUInt64Value(UNIT_FIELD_CRITTER); }

        bool IsControlledByPlayer() const { return m_ControlledByPlayer; }
        uint64 GetCharmerOrOwnerGUID() const { return GetCharmerGUID() ? GetCharmerGUID() : GetOwnerGUID(); }
        uint64 GetCharmerOrOwnerOrOwnGUID() const
        {
            if (uint64 guid = GetCharmerOrOwnerGUID())
                return guid;
            return GetGUID();
        }
        bool isCharmedOwnedByPlayerOrPlayer() const { return IS_PLAYER_GUID(GetCharmerOrOwnerOrOwnGUID()); }

        Player* GetSpellModOwner() const;

        Unit* GetOwner() const;
        Guardian *GetGuardianPet() const;
        Minion *GetFirstMinion() const;
        Unit* GetCharmer() const;
        Unit* GetCharm() const;
        Unit* GetCharmerOrOwner() const { return GetCharmerGUID() ? GetCharmer() : GetOwner(); }
        Unit* GetCharmerOrOwnerOrSelf() const
        {
            if (Unit* u = GetCharmerOrOwner())
                return u;

            return (Unit*)this;
        }
        Player* GetCharmerOrOwnerPlayerOrPlayerItself() const;
        Player* GetAffectingPlayer() const;

        void SetMinion(Minion *minion, bool apply, PetSlot slot, bool stampeded = false);
        void GetAllMinionsByEntry(std::list<Creature*>& Minions, uint32 entry);
        void RemoveAllMinionsByEntry(uint32 entry);
        void SetCharm(Unit* target, bool apply);
        Unit* GetNextRandomRaidMemberOrPet(float radius);
        bool SetCharmedBy(Unit* charmer, CharmType type, AuraApplication const* aurApp = NULL);
        void RemoveCharmedBy(Unit* charmer);
        void RestoreFaction();

        ControlList m_Controlled;
        Unit* GetFirstControlled() const;
        void RemoveAllControlled();

        bool isCharmed() const { return GetCharmerGUID() != 0; }
        bool isPossessed() const { return HasUnitState(UNIT_STATE_POSSESSED); }
        bool isPossessedByPlayer() const { return HasUnitState(UNIT_STATE_POSSESSED) && IS_PLAYER_GUID(GetCharmerGUID()); }
        bool isPossessing() const
        {
            if (Unit* u = GetCharm())
                return u->isPossessed();
            else
                return false;
        }
        bool isPossessing(Unit* u) const { return u->isPossessed() && GetCharmGUID() == u->GetGUID(); }

        CharmInfo* GetCharmInfo() { return m_charmInfo; }
        CharmInfo* InitCharmInfo();
        void DeleteCharmInfo();
        void UpdateCharmAI();
        //Player* GetMoverSource() const;
        Player* m_movedPlayer;
        SharedVisionList const& GetSharedVisionList() { return m_sharedVision; }
        void AddPlayerToVision(Player* player);
        void RemovePlayerFromVision(Player* player);
        bool HasSharedVision() const { return !m_sharedVision.empty(); }
        void RemoveBindSightAuras();
        void RemoveCharmAuras();

        Pet* CreateTamedPetFrom(Creature* creatureTarget, uint32 spell_id = 0);
        Pet* CreateTamedPetFrom(uint32 creatureEntry, uint32 spell_id = 0);
        bool InitTamedPet(Pet* pet, uint8 level, uint32 spell_id);

        // aura apply/remove helpers - you should better not use these
        AuraPtr _TryStackingOrRefreshingExistingAura(SpellInfo const* newAura, uint32 effMask, Unit* caster, int32* baseAmount = NULL, Item* castItem = NULL, uint64 casterGUID = 0);
        void _AddAura(UnitAuraPtr aura, Unit* caster);
        AuraApplication * _CreateAuraApplication(AuraPtr aura, uint32 effMask);
        void _ApplyAuraEffect(AuraPtr aura, uint32 effIndex);
        void _ApplyAura(AuraApplication * aurApp, uint32 effMask);
        void _UnapplyAura(AuraApplicationMap::iterator &i, AuraRemoveMode removeMode);
        void _UnapplyAura(AuraApplication * aurApp, AuraRemoveMode removeMode);
        void _RemoveNoStackAuraApplicationsDueToAura(AuraPtr aura);
        void _RemoveNoStackAurasDueToAura(AuraPtr aura);
        bool _IsNoStackAuraDueToAura(AuraPtr appliedAura, AuraPtr existingAura) const;
        void _RegisterAuraEffect(AuraEffectPtr aurEff, bool apply);

        // m_ownedAuras container management
        AuraMap      & GetOwnedAuras()       { return m_ownedAuras; }
        AuraMap const& GetOwnedAuras() const { return m_ownedAuras; }

        void RemoveOwnedAura(AuraMap::iterator &i, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);
        void RemoveOwnedAura(uint32 spellId, uint64 casterGUID = 0, uint32 reqEffMask = 0, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);
        void RemoveOwnedAura(AuraPtr aura, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);

        AuraPtr GetOwnedAura(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0, AuraPtr except = NULLAURA) const;

        // m_appliedAuras container management
        AuraApplicationMap      & GetAppliedAuras()       { return m_appliedAuras; }
        AuraApplicationMap const& GetAppliedAuras() const { return m_appliedAuras; }

        void RemoveAura(AuraApplicationMap::iterator &i, AuraRemoveMode mode = AURA_REMOVE_BY_DEFAULT);
        void RemoveAura(uint32 spellId, uint64 casterGUID = 0, uint32 reqEffMask = 0, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);
        void RemoveAura(AuraApplication * aurApp, AuraRemoveMode mode = AURA_REMOVE_BY_DEFAULT);
        void RemoveAura(AuraPtr aur, AuraRemoveMode mode = AURA_REMOVE_BY_DEFAULT);
        void RemoveAllSymbiosisAuras();

        void RemoveAurasDueToSpell(uint32 spellId, uint64 casterGUID = 0, uint32 reqEffMask = 0, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);
        void RemoveAuraFromStack(uint32 spellId, uint64 casterGUID = 0, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT, int32 num = 1);
        void RemoveAurasDueToSpellByDispel(uint32 spellId, uint32 dispellerSpellId, uint64 casterGUID, Unit* dispeller, uint8 chargesRemoved = 1);
        void RemoveAurasDueToSpellBySteal(uint32 spellId, uint64 casterGUID, Unit* stealer);
        void RemoveAurasDueToItemSpell(Item* castItem, uint32 spellId);
        void RemoveAurasByType(AuraType auraType, uint64 casterGUID = 0, AuraPtr aura = NULLAURA, uint32 exceptAuraId = 0, bool negative = true, bool positive = true);
        void RemoveNotOwnSingleTargetAuras(uint32 newPhase = 0x0);
        void RemoveAurasWithInterruptFlags(uint32 flag, uint32 except = 0);
        void RemoveFlagsAuras();
        void RemoveAurasWithAttribute(uint32 flags);
        void RemoveAurasWithFamily(SpellFamilyNames family, uint32 familyFlag1, uint32 familyFlag2, uint32 familyFlag3, uint64 casterGUID);
        void RemoveAurasWithMechanic(uint32 mechanic_mask, AuraRemoveMode removemode = AURA_REMOVE_BY_DEFAULT, uint32 except = 0, uint8 count = 0);
        void RemoveMovementImpairingAuras();
        void RemoveAurasBreakableByDamage();
        void RemoveDKPresences();

        void RemoveAreaAurasDueToLeaveWorld();
        void RemoveAllAuras();
        void RemoveNonPassivesAuras();
        void RemoveArenaAuras();
        void RemoveAllAurasOnDeath();
        void RemoveNegativeAuras();
        void RemoveAllAurasRequiringDeadTarget();
        void RemoveAllAurasExceptType(AuraType type);
        void RemoveAllAurasByType(AuraType type);
        void DelayOwnedAuras(uint32 spellId, uint64 caster, int32 delaytime);

        void _RemoveAllAuraStatMods();
        void _ApplyAllAuraStatMods();

        AuraEffectList const& GetAuraEffectsByType(AuraType type) const { return m_modAuras[type]; }
        AuraEffectList GetAuraEffectsByMechanic(uint32 mechanic_mask) const;

        AuraList      & GetSingleCastAuras()       { return m_scAuras; }
        AuraList const& GetSingleCastAuras() const { return m_scAuras; }

        AuraEffectPtr GetAuraEffect(uint32 spellId, uint8 effIndex, uint64 casterGUID = 0) const;
        AuraEffectPtr GetAuraEffectOfRankedSpell(uint32 spellId, uint8 effIndex, uint64 casterGUID = 0) const;
        AuraEffectPtr GetAuraEffect(AuraType type, SpellFamilyNames name, uint32 iconId, uint8 effIndex) const; // spell mustn't have familyflags
        AuraEffectPtr GetAuraEffect(AuraType type, SpellFamilyNames family, uint32 familyFlag1, uint32 familyFlag2, uint32 familyFlag3, uint64 casterGUID =0);
        inline AuraEffectPtr GetDummyAuraEffect(SpellFamilyNames name, uint32 iconId, uint32 effIndex) const { return GetAuraEffect(SPELL_AURA_DUMMY, name, iconId, effIndex);}

        AuraApplication * GetAuraApplication(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0, AuraApplication * except = NULL) const;
        AuraPtr GetAura(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0) const;

        AuraApplication * GetAuraApplicationOfRankedSpell(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0, AuraApplication * except = NULL) const;
        AuraPtr GetAuraOfRankedSpell(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0) const;

        void GetDispellableAuraList(Unit* caster, uint32 dispelMask, DispelChargesList& dispelList);

        bool HasAuraEffect(uint32 spellId, uint8 effIndex, uint64 caster = 0) const;
        uint32 GetAuraCount(uint32 spellId) const;
        bool HasAura(uint32 spellId, uint64 casterGUID = 0, uint64 itemCasterGUID = 0, uint32 reqEffMask = 0) const;
        bool HasAuraType(AuraType auraType) const;
        bool HasAuraTypeWithCaster(AuraType auratype, uint64 caster) const;
        bool HasAuraTypeWithMiscvalue(AuraType auratype, int32 miscvalue) const;
        bool HasAuraTypeWithAffectMask(AuraType auratype, SpellInfo const* affectedSpell) const;
        bool HasAuraTypeWithValue(AuraType auratype, int32 value) const;
        bool HasNegativeAuraWithInterruptFlag(uint32 flag, uint64 guid = 0);
        bool HasNegativeAuraWithAttribute(uint32 flag, uint64 guid = 0);
        bool HasAuraWithMechanic(uint32 mechanicMask);
        bool HasAuraWithNegativeCaster(uint32 spellid);

        void RemoveSoulSwapDOT(Unit* target);
        void ApplySoulSwapDOT(Unit* caster, Unit* target);

        AuraEffectPtr IsScriptOverriden(SpellInfo const* spell, int32 script) const;
        uint32 GetDiseasesByCaster(uint64 casterGUID, bool remove = false);
        uint32 GetDoTsByCaster(uint64 casterGUID) const;

        int32 GetTotalAuraModifier(AuraType auratype) const;
        float GetTotalAuraMultiplier(AuraType auratype) const;
        int32 GetMaxPositiveAuraModifier(AuraType auratype);
        int32 GetMaxNegativeAuraModifier(AuraType auratype) const;

        int32 GetTotalAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask) const;
        float GetTotalAuraMultiplierByMiscMask(AuraType auratype, uint32 misc_mask) const;
        int32 GetMaxPositiveAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask, constAuraEffectPtr except = NULLAURA_EFFECT) const;
        int32 GetMaxNegativeAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask) const;

        int32 GetTotalAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const;
        float GetTotalAuraMultiplierByMiscValue(AuraType auratype, int32 misc_value) const;
        int32 GetMaxPositiveAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const;
        int32 GetMaxNegativeAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const;

        int32 GetTotalAuraModifierByAffectMask(AuraType auratype, SpellInfo const* affectedSpell) const;
        float GetTotalAuraMultiplierByAffectMask(AuraType auratype, SpellInfo const* affectedSpell) const;
        int32 GetMaxPositiveAuraModifierByAffectMask(AuraType auratype, SpellInfo const* affectedSpell) const;
        int32 GetMaxNegativeAuraModifierByAffectMask(AuraType auratype, SpellInfo const* affectedSpell) const;

        float GetResistanceBuffMods(SpellSchools school, bool positive) const { return GetFloatValue(positive ? UNIT_FIELD_RESISTANCEBUFFMODSPOSITIVE+school : UNIT_FIELD_RESISTANCEBUFFMODSNEGATIVE+school); }
        void SetResistanceBuffMods(SpellSchools school, bool positive, float val) { SetFloatValue(positive ? UNIT_FIELD_RESISTANCEBUFFMODSPOSITIVE+school : UNIT_FIELD_RESISTANCEBUFFMODSNEGATIVE+school, val); }
        void ApplyResistanceBuffModsMod(SpellSchools school, bool positive, float val, bool apply) { ApplyModSignedFloatValue(positive ? UNIT_FIELD_RESISTANCEBUFFMODSPOSITIVE+school : UNIT_FIELD_RESISTANCEBUFFMODSNEGATIVE+school, val, apply); }
        void ApplyResistanceBuffModsPercentMod(SpellSchools school, bool positive, float val, bool apply) { ApplyPercentModFloatValue(positive ? UNIT_FIELD_RESISTANCEBUFFMODSPOSITIVE+school : UNIT_FIELD_RESISTANCEBUFFMODSNEGATIVE+school, val, apply); }
        void InitStatBuffMods()
        {
            for (uint8 i = STAT_STRENGTH; i < MAX_STATS; ++i) SetFloatValue(UNIT_FIELD_POSSTAT0+i, 0);
            for (uint8 i = STAT_STRENGTH; i < MAX_STATS; ++i) SetFloatValue(UNIT_FIELD_NEGSTAT0+i, 0);
        }
        void ApplyStatBuffMod(Stats stat, float val, bool apply) { ApplyModSignedFloatValue((val > 0 ? UNIT_FIELD_POSSTAT0+stat : UNIT_FIELD_NEGSTAT0+stat), val, apply); }
        void ApplyStatPercentBuffMod(Stats stat, float val, bool apply)
        {
            ApplyPercentModFloatValue(UNIT_FIELD_POSSTAT0+stat, val, apply);
            ApplyPercentModFloatValue(UNIT_FIELD_NEGSTAT0+stat, val, apply);
        }
        void SetCreateStat(Stats stat, float val) { m_createStats[stat] = val; }
        void SetCreateHealth(uint32 val) { SetUInt32Value(UNIT_FIELD_BASE_HEALTH, val); }
        uint32 GetCreateHealth() const { return GetUInt32Value(UNIT_FIELD_BASE_HEALTH); }
        void SetCreateMana(uint32 val) { SetUInt32Value(UNIT_FIELD_BASE_MANA, val); }
        uint32 GetCreateMana() const { return GetUInt32Value(UNIT_FIELD_BASE_MANA); }
        int32 GetCreatePowers(Powers power) const;
        float GetPosStat(Stats stat) const { return GetFloatValue(UNIT_FIELD_POSSTAT0+stat); }
        float GetNegStat(Stats stat) const { return GetFloatValue(UNIT_FIELD_NEGSTAT0+stat); }
        float GetCreateStat(Stats stat) const { return m_createStats[stat]; }

        void SetCurrentCastedSpell(Spell* pSpell);
        virtual void ProhibitSpellSchool(SpellSchoolMask /*idSchoolMask*/, uint32 /*unTimeMs*/) { }
        void InterruptSpell(CurrentSpellTypes spellType, bool withDelayed = true, bool withInstant = true);
        void FinishSpell(CurrentSpellTypes spellType, bool ok = true);

        // set withDelayed to true to account delayed spells as casted
        // delayed+channeled spells are always accounted as casted
        // we can skip channeled or delayed checks using flags
        bool IsNonMeleeSpellCasted(bool withDelayed, bool skipChanneled = false, bool skipAutorepeat = false, bool isAutoshoot = false, bool skipInstant = true) const;

        // set withDelayed to true to interrupt delayed spells too
        // delayed+channeled spells are always interrupted
        void InterruptNonMeleeSpells(bool withDelayed, uint32 spellid = 0, bool withInstant = true);
        void InterruptNonMeleeSpellsExcept(bool withDelayed, uint32 except, bool withInstant = true);

        Spell* GetCurrentSpell(CurrentSpellTypes spellType) const { return m_currentSpells[spellType]; }
        Spell* GetCurrentSpell(uint32 spellType) const { return m_currentSpells[spellType]; }
        Spell* FindCurrentSpellBySpellId(uint32 spell_id) const;
        int32 GetCurrentSpellCastTime(uint32 spell_id) const;

        uint32 m_addDmgOnce;
        uint64 m_SummonSlot[MAX_SUMMON_SLOT];
        uint64 m_ObjectSlot[MAX_GAMEOBJECT_SLOT];

        ShapeshiftForm GetShapeshiftForm() const { return ShapeshiftForm(GetByteValue(UNIT_FIELD_BYTES_2, 3)); }
        void SetShapeshiftForm(ShapeshiftForm form)
        {
            SetByteValue(UNIT_FIELD_BYTES_2, 3, form);
        }

        inline bool IsInFeralForm() const
        {
            ShapeshiftForm form = GetShapeshiftForm();
            return form == FORM_CAT || form == FORM_BEAR;
        }

        inline bool IsInDisallowedMountForm() const
        {
            ShapeshiftForm form = GetShapeshiftForm();
            return form != FORM_NONE && form != FORM_BATTLESTANCE && form != FORM_BERSERKERSTANCE && form != FORM_DEFENSIVESTANCE &&
                form != FORM_SHADOW && form != FORM_STEALTH && form != FORM_UNDEAD && form != FORM_WISE_SERPENT && form != FORM_STURDY_OX && form != FORM_FIERCE_TIGER && form != FORM_MOONKIN;
        }

        float m_modMeleeHitChance;
        float m_modRangedHitChance;
        float m_modSpellHitChance;
        int32 m_baseSpellCritChance;

        float m_threatModifier[MAX_SPELL_SCHOOL];
        float m_modAttackSpeedPct[3];

        // Event handler
        EventProcessor m_Events;

        // stat system
        bool HandleStatModifier(UnitMods unitMod, UnitModifierType modifierType, float amount, bool apply);
        void SetModifierValue(UnitMods unitMod, UnitModifierType modifierType, float value) { m_auraModifiersGroup[unitMod][modifierType] = value; }
        float GetModifierValue(UnitMods unitMod, UnitModifierType modifierType) const;
        float GetTotalStatValue(Stats stat) const;
        float GetTotalAuraModValue(UnitMods unitMod) const;
        SpellSchools GetSpellSchoolByAuraGroup(UnitMods unitMod) const;
        Stats GetStatByAuraGroup(UnitMods unitMod) const;
        Powers GetPowerTypeByAuraGroup(UnitMods unitMod) const;
        bool CanModifyStats() const { return m_canModifyStats; }
        void SetCanModifyStats(bool modifyStats) { m_canModifyStats = modifyStats; }
        virtual bool UpdateStats(Stats stat) = 0;
        virtual bool UpdateAllStats() = 0;
        virtual void UpdateResistances(uint32 school) = 0;
        virtual void UpdateArmor() = 0;
        virtual void UpdateMaxHealth() = 0;
        virtual void UpdateMaxPower(Powers power) = 0;
        virtual void UpdateAttackPowerAndDamage(bool ranged = false) = 0;
        virtual void UpdateDamagePhysical(WeaponAttackType attType) = 0;
        int32 GetTotalSpellPowerValue(SpellSchoolMask mask, bool heal) const;
        float GetTotalAttackPowerValue(WeaponAttackType attType) const;
        float GetWeaponDamageRange(WeaponAttackType attType, WeaponDamageRange type) const;
        void SetBaseWeaponDamage(WeaponAttackType attType, WeaponDamageRange damageRange, float value) { m_weaponDamage[attType][damageRange] = value; }

        bool isInFrontInMap(Unit const* target, float distance, float arc = M_PI) const;
        bool isInBackInMap(Unit const* target, float distance, float arc = M_PI) const;

        // Visibility system
        bool IsVisible() const { return (m_serverSideVisibility.GetValue(SERVERSIDE_VISIBILITY_GM) > SEC_PLAYER) ? false : true; }
        void SetVisible(bool x);

        // common function for visibility checks for player/creatures with detection code
        void SetPhaseMask(uint32 newPhaseMask, bool update);// overwrite WorldObject::SetPhaseMask
        void UpdateObjectVisibility(bool forced = true);

        SpellImmuneList m_spellImmune[MAX_SPELL_IMMUNITY];
        uint32 m_lastSanctuaryTime;

        // Threat related methods
        bool CanHaveThreatList(bool skipAliveCheck = false) const;
        void AddThreat(Unit* victim, float fThreat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellInfo const* threatSpell = NULL);
        float ApplyTotalThreatModifier(float fThreat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL);
        void DeleteThreatList();
        void TauntApply(Unit* victim);
        void TauntFadeOut(Unit* taunter);
        ThreatManager& getThreatManager() { return m_ThreatManager; }
        void addHatedBy(HostileReference* pHostileReference) { m_HostileRefManager.insertFirst(pHostileReference); };
        void removeHatedBy(HostileReference* /*pHostileReference*/) { /* nothing to do yet */ }
        HostileRefManager& getHostileRefManager() { return m_HostileRefManager; }

        VisibleAuraMap const* GetVisibleAuras() { return &m_visibleAuras; }
        AuraApplication * GetVisibleAura(uint8 slot)
        {
            VisibleAuraMap::iterator itr = m_visibleAuras.find(slot);
            if (itr != m_visibleAuras.end())
                return itr->second;
            return 0;
        }
        void SetVisibleAura(uint8 slot, AuraApplication * aur){ m_visibleAuras[slot]=aur; UpdateAuraForGroup(slot);}
        void RemoveVisibleAura(uint8 slot){ m_visibleAuras.erase(slot); UpdateAuraForGroup(slot);}

        uint32 GetInterruptMask() const { return m_interruptMask; }
        void AddInterruptMask(uint32 mask) { m_interruptMask |= mask; }
        void UpdateInterruptMask();

        uint32 GetDisplayId() { return GetUInt32Value(UNIT_FIELD_DISPLAYID); }
        void SetDisplayId(uint32 modelId);
        uint32 GetNativeDisplayId() { return GetUInt32Value(UNIT_FIELD_NATIVEDISPLAYID); }
        void RestoreDisplayId();
        void SetNativeDisplayId(uint32 modelId) { SetUInt32Value(UNIT_FIELD_NATIVEDISPLAYID, modelId); }
        void setTransForm(uint32 spellid) { m_transform = spellid;}
        uint32 getTransForm() const { return m_transform;}

        // DynamicObject management
        void _RegisterDynObject(DynamicObject* dynObj);
        void _UnregisterDynObject(DynamicObject* dynObj);
        DynamicObject* GetDynObject(uint32 spellId);
        int32 CountDynObject(uint32 spellId);
        void GetDynObjectList(std::list<DynamicObject*> &list, uint32 spellId);
        void RemoveDynObject(uint32 spellId);
        void RemoveAllDynObjects();

        // AreaTrigger management
        void _RegisterAreaTrigger(AreaTrigger* areaTrigger);
        void _UnregisterAreaTrigger(AreaTrigger* areaTrigger);
        AreaTrigger* GetAreaTrigger(uint32 spellId);
        int32 CountAreaTrigger(uint32 spellId);
        void GetAreaTriggerList(std::list<AreaTrigger*> &list, uint32 spellId);
        void RemoveAreaTrigger(uint32 spellId);
        void RemoveAllAreaTriggers();

        GameObject* GetGameObject(uint32 spellId) const;
        void AddGameObject(GameObject* gameObj);
        void RemoveGameObject(GameObject* gameObj, bool del);
        void RemoveGameObject(uint32 spellid, bool del);
        void RemoveAllGameObjects();

        uint32 CalculateDamage(WeaponAttackType attType, bool normalized, bool addTotalPct);
        float GetAPMultiplier(WeaponAttackType attType, bool normalized);
        void ModifyAuraState(AuraStateType flag, bool apply);
        uint32 BuildAuraStateUpdateForTarget(Unit* target) const;
        bool HasAuraState(AuraStateType flag, SpellInfo const* spellProto = NULL, Unit const* Caster = NULL) const;
        void UnsummonAllTotems();
        Unit* GetMagicHitRedirectTarget(Unit* victim, SpellInfo const* spellInfo);
        Unit* GetMeleeHitRedirectTarget(Unit* victim, SpellInfo const* spellInfo = NULL);

        int32 SpellBaseDamageBonusDone(SpellSchoolMask schoolMask);
        int32 SpellBaseDamageBonusTaken(SpellSchoolMask schoolMask);
        uint32 SpellDamageBonusDone(Unit* victim, SpellInfo const *spellProto, uint32 pdamage, DamageEffectType damagetype, uint32 stack = 1);
        uint32 SpellDamageBonusTaken(Unit* caster, SpellInfo const *spellProto, uint32 pdamage, DamageEffectType damagetype, uint32 stack = 1);
        int32 SpellBaseHealingBonusDone(SpellSchoolMask schoolMask);
        int32 SpellBaseHealingBonusTaken(SpellSchoolMask schoolMask);
        uint32 SpellHealingBonusDone(Unit* victim, SpellInfo const *spellProto, uint32 healamount, DamageEffectType damagetype, uint32 stack = 1);
        uint32 SpellHealingBonusTaken(Unit* caster, SpellInfo const *spellProto, uint32 healamount, DamageEffectType damagetype, uint32 stack = 1);

        uint32 MeleeDamageBonusDone(Unit *pVictim, uint32 damage, WeaponAttackType attType, SpellInfo const *spellProto = NULL);
        uint32 MeleeDamageBonusTaken(Unit* attacker, uint32 pdamage,WeaponAttackType attType, SpellInfo const *spellProto = NULL);


        bool   isSpellBlocked(Unit* victim, SpellInfo const* spellProto, WeaponAttackType attackType = BASE_ATTACK);
        bool   isBlockCritical();
        bool   isSpellCrit(Unit* victim, SpellInfo const* spellProto, SpellSchoolMask schoolMask, WeaponAttackType attackType = BASE_ATTACK) const;
        float GetSpellCrit(Unit* victim, SpellInfo const* spellProto, SpellSchoolMask schoolMask, WeaponAttackType attackType = BASE_ATTACK) const;
        uint32 SpellCriticalDamageBonus(SpellInfo const* spellProto, uint32 damage, Unit* victim);
        uint32 SpellCriticalHealingBonus(SpellInfo const* spellProto, uint32 damage, Unit* victim);

        void SetContestedPvP(Player* attackedPlayer = NULL);

        uint32 GetCastingTimeForBonus(SpellInfo const* spellProto, DamageEffectType damagetype, uint32 CastingTime) const;
        float CalculateDefaultCoefficient(SpellInfo const *spellInfo, DamageEffectType damagetype) const;

        uint32 GetRemainingPeriodicAmount(uint64 caster, uint32 spellId, AuraType auraType, uint8 effectIndex = 0) const;

        void ApplyUberImmune(uint32 spellid, bool apply);
        void ApplySpellImmune(uint32 spellId, uint32 op, uint32 type, bool apply);
        void ApplySpellDispelImmunity(const SpellInfo* spellProto, DispelType type, bool apply);
        virtual bool IsImmunedToSpell(SpellInfo const* spellInfo);
                                                            // redefined in Creature
        bool IsImmunedToDamage(SpellSchoolMask meleeSchoolMask);
        bool IsImmunedToDamage(SpellInfo const* spellInfo);
        virtual bool IsImmunedToSpellEffect(SpellInfo const* spellInfo, uint32 index) const;
                                                            // redefined in Creature
        static bool IsDamageReducedByArmor(SpellSchoolMask damageSchoolMask, SpellInfo const* spellInfo = NULL, uint8 effIndex = MAX_SPELL_EFFECTS);
        uint32 CalcArmorReducedDamage(Unit* victim, const uint32 damage, SpellInfo const* spellInfo, WeaponAttackType attackType=MAX_ATTACK);
        void CalcAbsorbResist(Unit* victim, SpellSchoolMask schoolMask, DamageEffectType damagetype, const uint32 damage, uint32 *absorb, uint32 *resist, SpellInfo const* spellInfo = NULL);
        void CalcHealAbsorb(Unit* victim, const SpellInfo* spellProto, uint32 &healAmount, uint32 &absorb);
        bool IsSpellResisted(Unit* victim, SpellSchoolMask schoolMask, SpellInfo const* spellInfo);

        void  UpdateSpeed(UnitMoveType mtype, bool forced);
        float GetSpeed(UnitMoveType mtype) const;

        float GetSpeedRate(UnitMoveType mtype) const { return m_speed_rate[mtype]; }
        void SetSpeed(UnitMoveType mtype, float rate, bool forced = false);
        float m_TempSpeed;

        bool isHover() const { return HasAuraType(SPELL_AURA_HOVER); }
        bool isCamouflaged() const { return HasAuraType(SPELL_AURA_MOD_CAMOUFLAGE); }

        float ApplyEffectModifiers(SpellInfo const* spellProto, uint8 effect_index, float value) const;
        int32 CalculateSpellDamage(Unit const* target, SpellInfo const* spellProto, uint8 effect_index, int32 const* basePoints = NULL) const;
        int32 CalcSpellDuration(SpellInfo const* spellProto);
        int32 ModSpellDuration(SpellInfo const* spellProto, Unit const* target, int32 duration, bool positive, uint32 effectMask);
        void  ModSpellCastTime(SpellInfo const* spellProto, int32 & castTime, Spell* spell=NULL);
        float CalculateLevelPenalty(SpellInfo const* spellProto) const;

        void addFollower(FollowerReference* pRef) { m_FollowingRefManager.insertFirst(pRef); }
        void removeFollower(FollowerReference* /*pRef*/) { /* nothing to do yet */ }
        static Unit* GetUnit(WorldObject& object, uint64 guid);
        static Player* GetPlayer(WorldObject& object, uint64 guid);
        static Creature* GetCreature(WorldObject& object, uint64 guid);

        MotionMaster* GetMotionMaster() { return i_motionMaster; }
        const MotionMaster* GetMotionMaster() const { return i_motionMaster; }

        bool IsStopped() const { return !(HasUnitState(UNIT_STATE_MOVING)); }
        void StopMoving();

        void AddUnitMovementFlag(uint32 f) { m_movementInfo.flags |= f; }
        void RemoveUnitMovementFlag(uint32 f) { m_movementInfo.flags &= ~f; }
        bool HasUnitMovementFlag(uint32 f) const { return (m_movementInfo.flags & f) == f; }
        uint32 GetUnitMovementFlags() const { return m_movementInfo.flags; }
        void SetUnitMovementFlags(uint32 f)
        {
            m_movementInfo.flags = f;
        }

        void ClearMovementData()
        {
            m_movementInfo.Alive32 = 0;
            m_movementInfo.hasFallData = false;
            m_movementInfo.hasFallDirection = false;
        }
        void AddExtraUnitMovementFlag(uint16 f) { m_movementInfo.flags2 |= f; }
        void RemoveExtraUnitMovementFlag(uint16 f) { m_movementInfo.flags2 &= ~f; }
        uint16 HasExtraUnitMovementFlag(uint16 f) const { return m_movementInfo.flags2 & f; }
        uint16 GetExtraUnitMovementFlags() const { return m_movementInfo.flags2; }
        void SetExtraUnitMovementFlags(uint16 f) { m_movementInfo.flags2 = f; }
        bool IsSplineEnabled() const;

        void WriteMovementInfo(WorldPacket &data, ExtraMovementStatusElement* extras = NULL) const;
        float GetPositionZMinusOffset() const;

        void SetControlled(bool apply, UnitState state);
        void DisableRotate(bool apply);
        void SendLossOfControl(AuraApplication const* aurApp, Mechanics mechanic, SpellEffIndex index);

        void AddComboPointHolder(uint32 lowguid) { m_ComboPointHolders.insert(lowguid); }
        void RemoveComboPointHolder(uint32 lowguid) { m_ComboPointHolders.erase(lowguid); }
        void ClearComboPointHolders();

        ///----------Pet responses methods-----------------
        void SendPetCastFail(uint32 spellid, SpellCastResult msg);
        void SendPetActionFeedback (uint8 msg);
        void SendPetTalk (uint32 pettalk);
        void SendPetAIReaction(uint64 guid);
        ///----------End of Pet responses methods----------

        void propagateSpeedChange() { GetMotionMaster()->propagateSpeedChange(); }

        // reactive attacks
        void ClearAllReactives();
        void StartReactiveTimer(ReactiveType reactive) { m_reactiveTimer[reactive] = REACTIVE_TIMER_START;}
        void UpdateReactives(uint32 p_time);

        // group updates
        void UpdateAuraForGroup(uint8 slot);

        // proc trigger system
        bool CanProc(){return !m_procDeep;}
        void SetCantProc(bool apply)
        {
            if (apply)
                ++m_procDeep;
            else
            {
                ASSERT(m_procDeep);
                --m_procDeep;
            }
        }

        // pet auras
        typedef std::set<PetAura const*> PetAuraSet;
        PetAuraSet m_petAuras;
        void AddPetAura(PetAura const* petSpell);
        void RemovePetAura(PetAura const* petSpell);

        uint32 GetModelForForm(ShapeshiftForm form);
        uint32 GetModelForTotem(PlayerTotemType totemType);

        void SetReducedThreatPercent(uint32 pct, uint64 guid)
        {
            m_reducedThreatPercent = pct;
            m_misdirectionTargetGUID = guid;
        }
        uint32 GetReducedThreatPercent() { return m_reducedThreatPercent; }
        Unit* GetMisdirectionTarget() { return m_misdirectionTargetGUID ? GetUnit(*this, m_misdirectionTargetGUID) : NULL; }

        bool IsAIEnabled, NeedChangeAI;
        bool CreateVehicleKit(uint32 id, uint32 creatureEntry);
        void RemoveVehicleKit(bool dismount = false);
        Vehicle* GetVehicleKit()const { return m_vehicleKit; }
        Vehicle* GetVehicle()   const { return m_vehicle; }
        bool IsOnVehicle() const { return m_vehicle != NULL; }
        bool IsOnVehicle(const Unit* vehicle) const { return m_vehicle && m_vehicle == vehicle->GetVehicleKit(); }
        Unit* GetVehicleBase()  const;
        Creature* GetVehicleCreatureBase() const;
        float GetTransOffsetX() const { return m_movementInfo.t_pos.GetPositionX(); }
        float GetTransOffsetY() const { return m_movementInfo.t_pos.GetPositionY(); }
        float GetTransOffsetZ() const { return m_movementInfo.t_pos.GetPositionZ(); }
        float GetTransOffsetO() const { return m_movementInfo.t_pos.GetOrientation(); }
        uint32 GetTransTime()   const { return m_movementInfo.t_time; }
        int8 GetTransSeat()     const { return m_movementInfo.t_seat; }
        uint64 GetTransGUID()   const;
        // Returns the transport this unit is on directly (if on vehicle and transport, return vehicle)
        TransportBase* GetDirectTransport() const;

        bool m_ControlledByPlayer;

        bool HandleSpellClick(Unit* clicker, int8 seatId = -1);
        void EnterVehicle(Unit* base, int8 seatId = -1, bool fullTriggered = false);
        void ExitVehicle(Position const* exitPosition = NULL);
        void ChangeSeat(int8 seatId, bool next = true);

        // Should only be called by AuraEffect::HandleAuraControlVehicle(AuraApplication const* auraApp, uint8 mode, bool apply) const;
        void _ExitVehicle(Position const* exitPosition = NULL);
        void _EnterVehicle(Vehicle* vehicle, int8 seatId, AuraApplication const* aurApp = NULL);

        void RewardRage(uint32 baseRage, bool attacker, bool useBonus = true);

        virtual float GetFollowAngle() const { return static_cast<float>(M_PI/2); }

        void OutDebugInfo() const;
        virtual bool isBeingLoaded() const { return false;}
        bool IsDuringRemoveFromWorld() const {return m_duringRemoveFromWorld;}

        Pet* ToPet() { if (isPet()) return reinterpret_cast<Pet*>(this); else return NULL; }
        Pet const* ToPet() const { if (isPet()) return reinterpret_cast<Pet const*>(this); else return NULL; }

        Totem* ToTotem() { if (isTotem()) return reinterpret_cast<Totem*>(this); else return NULL; }
        Totem const* ToTotem() const { if (isTotem()) return reinterpret_cast<Totem const*>(this); else return NULL; }

        TempSummon* ToTempSummon() { if (isSummon()) return reinterpret_cast<TempSummon*>(this); else return NULL; }
        TempSummon const* ToTempSummon() const { if (isSummon()) return reinterpret_cast<TempSummon const*>(this); else return NULL; }

        void SetTarget(uint64 guid)
        {
            if (!_focusSpell)
                SetUInt64Value(UNIT_FIELD_TARGET, guid);
        }

        // Handling caster facing during spell cast
        void FocusTarget(Spell const* focusSpell, uint64 target);
        void ReleaseFocus(Spell const* focusSpell);

        int32 GetEclipsePower() { return _eclipsePower; };
        void SetEclipsePower(int32 power, bool send = true);
        void SendEclipse();

        uint32 GetHealingDoneInPastSecs(uint32 secs);
        uint32 GetHealingTakenInPastSecs(uint32 secs);
        uint32 GetDamageDoneInPastSecs(uint32 secs);
        uint32 GetDamageTakenInPastSecs(uint32 secs);
        void AddHealDamageLog(HealDamageLog const& log) { m_healDamage.push_back(log); }

        // Movement info
        Movement::MoveSpline * movespline;

        void OnRelocated();

        // helper for dark simulacrum spell
        Unit* GetSimulacrumTarget();
        void setSimulacrumTarget(uint64 guid) { simulacrumTargetGUID = guid; }
        void removeSimulacrumTarget() { simulacrumTargetGUID = 0; }

        // for eclipse powers of druid
        void SetLastEclipsePower(uint32 eclipseSpell) { eclipseSpellId = eclipseSpell; }
        uint32 GetLastEclipsePower() { return eclipseSpellId; }
        void RemoveLastEclipsePower() { eclipseSpellId = 0; }

        // helpers for Icicles spells
        uint64 GetIciclesTarget() const { return iciclesTargetGUID; }
        void SetIciclesTarget(uint64 guid) { iciclesTargetGUID = guid; }

        void DisableHealthRegen() { m_disableHealthRegen = true; }
        void ReenableHealthRegen() { m_disableHealthRegen = false; }
        bool HealthRegenIsDisable() const { return m_disableHealthRegen; }
    
        void DisableEvadeMode() { m_disableEnterEvadeMode = true; }
        void ReenableEvadeMode() { m_disableEnterEvadeMode = false; }
        bool EvadeModeIsDisable() const { return m_disableEnterEvadeMode; }

    protected:
        explicit Unit (bool isWorldObject);
        
        void BuildValuesUpdate(uint8 updatetype, ByteBuffer* data, Player* target) const;

        UnitAI* i_AI, *i_disabledAI;

        void _UpdateSpells(uint32 time);
        void _DeleteRemovedAuras();

        void _UpdateAutoRepeatSpell();

        bool m_AutoRepeatFirstCast;

        uint32 m_attackTimer[MAX_ATTACK];

        float m_createStats[MAX_STATS];

        AttackerSet m_attackers;
        Unit* m_attacking;

        DeathState m_deathState;

        int32 m_procDeep;

        typedef std::list<DynamicObject*> DynObjectList;
        DynObjectList m_dynObj;

        typedef std::list<AreaTrigger*> AreaTriggerList;
        AreaTriggerList m_AreaTrigger;

        typedef std::list<GameObject*> GameObjectList;
        GameObjectList m_gameObj;
        bool m_isSorted;
        uint32 m_transform;

        Spell* m_currentSpells[CURRENT_MAX_SPELL];

        AuraMap m_ownedAuras;
        AuraApplicationMap m_appliedAuras;
        AuraList m_removedAuras;
        AuraMap::iterator m_auraUpdateIterator;
        uint32 m_removedAurasCount;

        AuraEffectList m_modAuras[TOTAL_AURAS];
        AuraList m_scAuras;                        // casted singlecast auras
        AuraApplicationList m_interruptableAuras;             // auras which have interrupt mask applied on unit
        AuraStateAurasMap m_auraStateAuras;        // Used for improve performance of aura state checks on aura apply/remove
        uint32 m_interruptMask;
        AuraList _SoulSwapDOTList;

        typedef std::list<HealDamageLog> HealDamageLogList;
        HealDamageLogList m_healDamage;

        float m_auraModifiersGroup[UNIT_MOD_END][MODIFIER_TYPE_END];
        float m_weaponDamage[MAX_ATTACK][2];
        bool m_canModifyStats;
        VisibleAuraMap m_visibleAuras;

        float m_speed_rate[MAX_MOVE_TYPE];

        CharmInfo* m_charmInfo;
        SharedVisionList m_sharedVision;

        virtual SpellSchoolMask GetMeleeDamageSchoolMask() const;

        MotionMaster* i_motionMaster;

        uint32 m_reactiveTimer[MAX_REACTIVE];
        uint32 m_regenTimer;

        ThreatManager m_ThreatManager;

        Vehicle* m_vehicle;
        Vehicle* m_vehicleKit;

        uint32 m_unitTypeMask;
        LiquidTypeEntry const* _lastLiquid;

        // Zone Skip Update
        uint32 _skipCount;
        uint32 _skipDiff;

        bool m_IsInKillingProcess;
        bool m_disableHealthRegen;
        bool m_disableEnterEvadeMode;

        bool IsAlwaysVisibleFor(WorldObject const* seer) const;
        bool IsAlwaysDetectableFor(WorldObject const* seer) const;

        void DisableSpline();

        uint32 m_SendTransportMoveTimer;

        uint32 m_lastRegenTime[MAX_POWERS];
        uint32 m_powers[MAX_POWERS];

        uint32 m_oldEmoteState; // Used to store and restore old emote states for creatures.

    private:
        bool IsTriggeredAtSpellProcEvent(Unit* victim, AuraPtr aura, SpellInfo const* procSpell, uint32 procFlag, uint32 procExtra, WeaponAttackType attType, bool isVictim, bool active, SpellProcEventEntry const* & spellProcEvent);
        bool HandleAuraProcOnPowerAmount(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const *procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleHasteAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleModifierAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleSpellCritChanceAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleObsModEnergyAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleModDamagePctTakenAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleAuraProc(Unit* victim, uint32 damage, AuraPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown, bool * handled);
        bool HandleProcTriggerSpell(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
        bool HandleOverrideClassScriptAuraProc(Unit* victim, uint32 damage, AuraEffectPtr triggeredByAura, SpellInfo const* procSpell, uint32 cooldown);
        bool HandleAuraRaidProcFromChargeWithValue(AuraEffectPtr triggeredByAura);
        bool HandleAuraRaidProcFromCharge(AuraEffectPtr triggeredByAura);

        void UpdateSplineMovement(uint32 t_diff);
        void UpdateSplinePosition();

        // player or player's pet
        float GetCombatRatingReduction(CombatRating cr) const;
        uint32 GetCombatRatingDamageReduction(CombatRating cr, float cap, uint32 damage) const;

    protected:
        void SendMoveRoot(uint32 value);
        void SendMoveUnroot(uint32 value);
        void SetFeared(bool apply);
        void SetConfused(bool apply);
        void SetStunned(bool apply);
        // void SetRooted(bool apply, bool packetOnly = false);
        void SetRooted(bool apply);

    private:
        class AINotifyTask;
        class VisibilityUpdateTask;
        Position m_lastVisibilityUpdPos;
        bool m_VisibilityUpdScheduled;
        uint32 m_rootTimes;

        uint32 m_state;                                     // Even derived shouldn't modify
        uint32 m_CombatTimer;
        TimeTrackerSmall m_movesplineTimer;

        uint64 simulacrumTargetGUID;
        uint64 iciclesTargetGUID;
        uint32 eclipseSpellId;

        Diminishing m_Diminishing;
        // Manage all Units that are threatened by us
        HostileRefManager m_HostileRefManager;

        FollowerRefManager m_FollowingRefManager;

        ComboPointHolderSet m_ComboPointHolders;

        uint32 m_reducedThreatPercent;
        uint64 m_misdirectionTargetGUID;

        bool m_cleanupDone; // lock made to not add stuff after cleanup before delete
        bool m_duringRemoveFromWorld; // lock made to not add stuff after beginning removing from world

        Spell const* _focusSpell;   ///> Locks the target during spell cast for proper facing       
        bool _isWalkingBeforeCharm; // Are we walking before we were charmed? 

        int32 _eclipsePower;

        time_t _lastDamagedTime;
        time_t _lastCombatTime;
};

namespace MoPCore
{
    // Binary predicate for sorting Units based on percent value of a power
    class PowerPctOrderPred
    {
        public:
            PowerPctOrderPred(Powers power, bool ascending = true) : m_power(power), m_ascending(ascending) {}
            bool operator() (const Unit* a, const Unit* b) const
            {
                float rA = a->GetMaxPower(m_power) ? float(a->GetPower(m_power)) / float(a->GetMaxPower(m_power)) : 0.0f;
                float rB = b->GetMaxPower(m_power) ? float(b->GetPower(m_power)) / float(b->GetMaxPower(m_power)) : 0.0f;
                return m_ascending ? rA < rB : rA > rB;
            }
        private:
            const Powers m_power;
            const bool m_ascending;
    };


    // Binary predicate for sorting Units based on value of distance of an other Unit
    class UnitDistanceCompareOrderPred
    {
        public:
            UnitDistanceCompareOrderPred(const Unit* source, bool ascending = true) : m_object(source), m_ascending(ascending) {}
            bool operator() (const Unit* a, const Unit* b) const
            {
                return m_ascending ? a->GetDistance(m_object) < b->GetDistance(m_object) :
                                     a->GetDistance(m_object) > b->GetDistance(m_object);
            }
        private:
            const Unit* m_object;
            const bool m_ascending;
    };

    // Binary predicate for sorting Units based on percent value of health
    class HealthPctOrderPred
    {
        public:
            HealthPctOrderPred(bool ascending = true) : m_ascending(ascending) {}
            bool operator() (const Unit* a, const Unit* b) const
            {
                float rA = a->GetMaxHealth() ? float(a->GetHealth()) / float(a->GetMaxHealth()) : 0.0f;
                float rB = b->GetMaxHealth() ? float(b->GetHealth()) / float(b->GetMaxHealth()) : 0.0f;
                return m_ascending ? rA < rB : rA > rB;
            }
        private:
            const bool m_ascending;
    };

    // Binary predicate for sorting DynamicObjects based on value of duration
    class AreaTriggerDurationPctOrderPred
    {
        public:
            AreaTriggerDurationPctOrderPred(bool ascending = true) : m_ascending(ascending) {}
            bool operator() (const AreaTrigger* a, const AreaTrigger* b) const
            {
                int32 rA = a->GetDuration() ? float(a->GetDuration()) : 0;
                int32 rB = b->GetDuration() ? float(b->GetDuration()) : 0;
                return m_ascending ? rA < rB : rA > rB;
            }
        private:
            const bool m_ascending;
    };

    // Binary predicate for sorting Units based on value of distance of an GameObject
    class DistanceCompareOrderPred
    {
        public:
            DistanceCompareOrderPred(const WorldObject* object, bool ascending = true) : m_object(object), m_ascending(ascending) {}
            bool operator() (const WorldObject* a, const WorldObject* b) const
            {
                return m_ascending ? a->GetDistance(m_object) < b->GetDistance(m_object) :
                                     a->GetDistance(m_object) > b->GetDistance(m_object);
            }
        private:
            const WorldObject* m_object;
            const bool m_ascending;
    };

    class DistanceOrderPred
    {
        public:
            DistanceOrderPred(Unit* searcher) :  _searcher(searcher) { }
            bool operator() (const Unit* a, const Unit* b) const
            {
                float rA = _searcher->GetDistance(a);
                float rB = _searcher->GetDistance(b);
                return rA < rB;
            }
        private:
            Unit const* _searcher;
    };
}
#endif
